On IRC, the act of using a (in most IRC clients) built-in command to slap another user. Frequently used for comic effect.
<@John> /slap Jim
*John slaps Jim around a bit with a large trout
<+Jim> wtf man why did you trout slap me
*John slaps Jim around a bit with a large trout
<+Jim> wtf man why did you trout slap me
by LordKelvin April 26, 2008
* Singaporean1 slaps Singaporean2 around a bit with a large trout
<Singaporean2> wah liew siao eh trout slap me 4 wad sia
<Singaporean2> wah liew siao eh trout slap me 4 wad sia
by Partagas February 02, 2010
by IceMan316 December 17, 2003
The act of slapping someone - usually across the facial region - with a wet penis or a representation thereof.
by Bodacious Wan September 11, 2007
The act of tapping or slapping the head of ones penis on the pubic region of a female including but not limited to: the Prepuce, Clitoris, Labia Menora, or Labia Majora. Derived from the sound a struggling trout makes while flopping around on land. One can replicate the sound of a trout slap by taking their index and middle finger and striking them across the palm of the opposite hand repeatedly.
by Rodney123456789 August 09, 2011
The act of beating someone or something about the head or head-analog with a large trout or other large fish. Often done in response to them saying something stupid.
"That was the dumbest thing I've ever heard... If I had a fish handy I would have to troutslap you."
by 1llus1on October 23, 2008
A trout slap can also mean a gentle tap, as if you just caught a bigger trout than your friend and you wanted to tease them with a little slap. Or maybe you're just wasted and cant stop hitting your friends out of love 'cause everything is just SO funny!
Megan continuously trout slapped Sarah throughout the evening as they danced and partied the night away.
by velveticus December 14, 2007