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(Verb) To steal something in use by another when they aren't paying attention. Often used in reference to chairs, remotes and other objects/appliances.
Example 1:
Dave: "Hahahhaha. Gazza isn't happy, totally sharked his chair when he stood up to get his drink."

Example 2:
Joe: "Ugh, i hate so you think you can dance. Who the fuck watches this shit?"

Tim: "Quickly, Anne is looking away, Shark the remote. NOW!"
by timmy_222 August 24, 2009
VERB {male}: To inadvertently or purposefully poke a partner in the side/butt/etc. with an erect penis while sleeping next to them.
No, no, no! YOU be the little spoon tonight, dear. If you shark me awake again, I'll smack you square in the fin, savvy?
by schroedersoul May 05, 2009
“Shark” is a term that originated from poker. A shark is a term used to describe a player with a tight- aggressive play style. This means that they fold the majority of their hands, but when they do play a hand, they usually make big, well placed bets. Most sharks are very good players.
Just don’t play at Table 3. That old guy with the brown hair is a shark. You’re gonna lose your money.
by Csal May 05, 2011
Sharks is the act of passionate sexy time between a couple. Its very rare to acheive and there have been few documented cases.
Alyson: Sex means nothing to me anymore... can we play sharks instead?

Sam: Lets only ever play sharks

Alyson: Good idea
by Chu...Chu....Chunky November 12, 2010
A big, sketchy sea-beast
That shark scared the shit out of me, it's a big sketchy sea-beast.
by bsb be-otch January 28, 2012
modern day entrepreneur who does not much to make a great deal.
that boy a shark he stacked mad paper from that car wash and got three other business.
by Maverick Waters March 03, 2014
something bad ass
Yo, look at that delorian, that shit is shark.
Ninjas are shark.
by theopenmatt February 27, 2014