A phrase used to ridicule someone's stupidity, "big white mint" refers to a urinal cake. Thus "don't eat the big white mint" implies that someone is stupid enough to mistake the urinal cake for a mint and eat it.
I was on a date with this really dumbass guy, and he said he had to go to the bathroom. I said, OK, don't eat the big white mint.
by purplefeltangel July 4, 2006
Get the don't eat the big white mint mug.They should have a sign hanging over the urinals that says don't eat the big white mint. Its hog heaven
by captain poopypants November 12, 2004
Get the don't eat the big white mint mug.