Top Definition
When you float on your back in a body of water with an erection that sticks out like a shark finn.
I'm gonna go shark finning around that bitch in the deep end of the pool.
by D-Rye August 05, 2013
The act of swimming on your back with an erect penis, whilst helicopter dick-ing, to give the the affect of looking like a great white on the prowl
Guy #1: Why is Jim getting arrested?

Guy #2: He was caught shark finning in in the public pool!
by ThreeLegsG June 06, 2015
To swim backstroke with an erection.
'Did you see Ralph? He was totally Shark Finning it over that lifeguard.'Said Paul.
by SickyMike October 17, 2014
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.
shark finned fuck out that bitch last night!
i was hefty shark finning at the weekend
by RamboJambo123 August 11, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.