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.

(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.

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

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

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.