when a male or female is fingering his or her woman:
he/she places 4 fingers inside the girl with a flat hand resembling a sharks fin. then making wave like motions with the hand when all of the hand other than the thumb is inserted.
he/she places 4 fingers inside the girl with a flat hand resembling a sharks fin. then making wave like motions with the hand when all of the hand other than the thumb is inserted.
by RamboJambo123 August 11, 2009
by captain donkey punch May 17, 2010
When ones penis tip protrudes through a hole in their underwear or clothing, either accidental or on purpose, resembling a shark fin cresting the surface of the ocean.
Tim's rush to leave the bathroom left his penis tip dangling from his open fly, revealing his shark fin to the entire office.
by Twatfacekilla326 October 30, 2015
Sneaking up behind someone and using four fingers jamming them into their clothed butt crack while screaming "Shark fin" in order to disrupt theiron train of thought
by CnDn_bacon90 November 27, 2016
Inserting a hand (or hands) into a persons orifice. The hand must be oriented in a manner that the four fingers lay on top of each other for the "insertion". The thumb points upward to resemble a sharks fin.
Dick and Fanny were having some quiet time. Fanny grew excited, resulting in Dick delivering a "Shark Fin".
by jama76 October 11, 2011
When a person wearing a hoodie is uppercutted in the hood from behind. The resulting inside out hood is flattened, thereby looking like a "shark fin"
by K Stizzokes December 9, 2006
by Bufftick July 28, 2017