This easy prank will give your "victim" a really nasty, bitter taste when they brush their teeth. It is 100% safe, and reversible. The taste will go away after a few hours, and to clean the toothbrush, you only need to rinse it in water for about 30 seconds.
Let's Get STARTED!

•A disposable cup
•The victim's toothbrush
•White Vinegar (Balsamic will stain the toothbrush, which will arouse suspicion)
•Toothpaste (for the victim to use)

Step 1: Add Vinegar to Cup

Pour some vinegar into the disposable cup, adding enough to submerge the toothbrush's head. Adding too much won't do anything, except maybe waste vinegar. DON"T WASTE.
this is the worst prank ive ever heard
Sorry for the crappy photos. My camera is like 15 years old.

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