It's when an extrodinaraly old man takes viagra and it gets bigger, but not hard and flops around like a trout, then he slaps a girl in the ass with it.
by Stopher Reinhold September 27, 2006
The state of a vagina from having anal sex and then switching to vaginal sex, thus "rusting" up the trout.
by Mark of Pembrokeshire February 9, 2009
The art of going fishing then coming back home and sticking a trout up your ass then eatting it or sticking it up some one else's ass.
by LordSinep October 3, 2006