Okay, you "got" me. Which of the "gut" below are you talking about?
* beer gut: a fat stomach.
* bubble guts, the: stomach cramps from diarrhea.
* bust a gut: in the UK, the equivalent of the American bust a nut.
* drop (one's) guts: to defecate.
* get guts: To have sex with a girl.
* gut bomb: Krystal or White Castle Burgers because the onions give you gas something fierce.
* gut feeling: an instinct or intuition.
* gutless: exceedingly slow, only in reference to motorized vehicles.
* gut locker: vulva; "vagina".
* gut reaction: an instant reaction.
* guts: courage.
* gut scuff: signs of obvious wear due to an overweight person's fat rubbing on something.
* gutted: upset, disappointed.
* gut wrench: a penis.
* hate (one's) guts : to hate someone completely.
* put (one's) guts in
* spill (one's) guts
Source