Food For The Office Thief
Every office has that one man who steals items from people’s lunch bags, and this prank is the ideal way to (not so) quietly remind him to keep his filthy little hands to himself. Let’s just hope that Gary is a big fan of mustard.
Chop Off The Bristles
Simply chop off the bristles from your sibling’s toothbrush if they are causing you too much trouble. You can’t say it isn’t strange, but you can’t say it isn’t effective. However, be aware that it will completely perplex them and might lead them to believe you are a psychopath.