The look depicted on one's face, which resembles that of a trout, often caused involuntarily, due the contortion and spasm of their facial muscles after ingesting large quantities of MDMA, also known as gak or ecstacy.

the act of sneaking up behind someone and moving your hand quickly back and forth between their knees, making the victim believe there is a fish between their legs.

The victim is at first overcome by confusion, which results generally in a high leaping motion followed by anger and rage once they realize what has happened.

Trouting is the act of flirting with/pulling horrendously ugly girls.

The name originates from the use of trout to describe such girls, and therefore the act of courting them became known as "trouting"

a type of tramming but under the influence of alcohol. Caught in the act of being emo or having a negative effect on all of those around you while under the influence of a substance.

The art of fine forum trolling. Prestige useage of a Level 1 Forum Troll.

(v.) The act of sneaking up on someone, taking your hand and slapping their inner thighs back and forth rapidly. Like a trout tail flapping around.

When you take your hand and wave it back and forth like a fish tail between a girls thighs.