This is an easy costume, fine for men or women, but best suited to a special niche crowd...pregnant ladies! If you are a man especially proud of your beer gut, you too, can flaunt it with this Instructable.

Step 1: Gather Your Materials

Collect what you will need: I used a black tank top, then found a white t-shirt that would fit snugly. I also picked up a dollar store clock (the louder the tick, the better!), various festively-coloured wires, duct tape and elastic.

Step 2: An Important Element for This Costume...

It's best if you have a large, 8 month pregnant belly. Face it girls, you aren't going as that sexy kitty or naughty nurse this Halloween! Might as well put that big belly to good use. The more bulbous the better.

Likewise, if you are a guy with a beer gut opting for this costume; the more bulbous the better.

Step 3: Try on Your 'overshirt'.

Try it on and make a chalk circle around your belly. (This is a step you can omit, if you don't want to bother with the extra shirt.. I thought it would serve to accentuate the belly, making it look alot like a bomb, especially with the black under white effect.)

Step 4: Cut Out the Chalk Circle.

Lay out your overshirt and carefully cut out the circle you just drew on yourself.

Step 5: Measure Your Elastic.

Get your elastic (I used a wider band than what I pictured in my original materials shot). Stretch it around your ribcage above your belly. It should be snug enough that it will stay up once the 'bomb' apparatus is attached, but not so tight as to be uncomfortable.

Step 6: Sew Your Elastic.

Or if you don't have a sewing machine, stapling would work too. Glue gun...maybe, but you don't want a wardrobe malfunction halfway through Halloween night, so staple would likely be a better choice over glue gun.

Step 7: Start Coiling Your Wires.

This is fun! Get something to twist your coloured wires around and make as many crazy coils as you want. Remember, you're pregnant and hormonal, so they can be erratic and disorderly...no one is going to question you! I used a whisk with a metal handle and a hanger-loop on the end, which is what I stuck the wire in to get it started. Something tubular-shaped would work well. Use pliers to snip to the length you want.

Step 8: Twist All Your Wires...

I had 5 colours, so I used them all.

Step 9: Group Your Wires

I straightened them out at one end and taped them in groups of three and two, then taped them to the back of my cheapie alarm clock. Feel free to be generous with the duct tape...you want it to look rudimentary and like someone a little unstable put it together. Which is kinda true.

Step 10: Put on Your Elastic & Overshirt.

Put the elastic on first, then your overshirt. The idea is that the overshirt will not only enhance your girth, but will cover any incidentals that may clue people in to the fact that you aren't wearing a real bomb.

Tear off a strip of duct tape and insert between cleavage behind elastic. The belly is a natural shelf for the clock to sit on. It couldn't be more perfect. You will use this tape to attach the clock.
Attach the clock now.

Step 11: Tuck in Wires.

Stretch out and splay the wires to great effect, then tuck the ends up under the elastic. You can secure with more tape or just bend the end of the wire into a hook and hook over top of elastic to stay put.

Step 12: Pull Overshirt Down.

Overshirt is perfect to hide the fact that you aren't really about to blow!

Step 13: Stand Back and Admire Your Handiwork.

It didn't take long, and now it's only a matter of time before you blow! Or pop. Literally. 8 months pregnant...won't be long now! *tick*tock*tick*tock*tick*tock*

I will probably slap on more duct tape on Halloween night. Also, the addition of some blobs of Play-dough would be super-realistic and scary, so do wear a coat if you are taking any public transit that night!