Top Definition
Fuck my butthole
Yo bro, fmbh, that Jaguars game sucked.
by Postage Due December 18, 2015
Stands for "Fuck My Bodily Health"
1-Can be used when describing something stupid you did, or are going to do, that could have a negative effect on your body.
2-An outlet for your agression against being sick.
"Dude, when i jumped infront of that car i was like FMBH!"
"This cold is kicking my ass, FMBH"
by 5150fun September 17, 2009
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