a sexual act where a man and his partner stand at opposite ends of the room. the woman bends over and braces against the wall while the man clasps his hands over his head imitating a shark. He then begins humming the jaws theme song and sprints across the room, lead by his erection, and attempts to penetrate either the vagina or anus with his momentus impact.
I have to be really drunk to try the land shark, but im usually too inebriated to run in a straight line, so i wake up very sore.
by Ian Wetzel September 14, 2004

by Cream fish March 8, 2016

by David Hastie December 15, 2004

A member in organized crimes that loans an amount of money to people that are in need of fast, easy money. Loan Sharks tend to be violent if the client does not pay up, also ask for a much higher cash return then what was originally given.
Guy 1: Hey what happened to Louis?
Guy 2: Those Loan Sharks knocked his teeth out, and put his cat in the dishwasher!
Guy 1: He shoulda paid up!
Guy 2: Those Loan Sharks knocked his teeth out, and put his cat in the dishwasher!
Guy 1: He shoulda paid up!
by ElGrego March 30, 2011

by Thiccthanos420 April 24, 2020

by Sheev the Senate February 17, 2019

Me: "Hey, I'm swimming in this lane. There's an empty one over there."
Guy: "I think I'll stay here."
Me: "You damn lane shark!"
Guy: "I think I'll stay here."
Me: "You damn lane shark!"
by Iniamyen August 19, 2013
