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2.
A bitch you may think is pretty hot when looking from a distance, but once you get a closer look, thats when it all blows up in your face and you realize, that bitch be UGLY!!!
That bitch is a proximity mine!

or

I eyed this bitch from across the bar, i went up to go talk to her and wow she was fucken ugly! I determined she was a proximity mine!
by HAZE8713 November 11, 2010
 
1.
Pooping into the tank of a toilet, and taking the float out. This will make poopy water overflow from the toilet tank. The pure genious of this action is that most people almost always leave the bathroom while the tank is still filling.
"I went to that frat house last night and planted a proximity mine, by taking the float out and pooping in the tank of one of their toilets."
by Pantanto April 30, 2004