To do something adequately, or even in an exemplary manner, without necessarily seeking or receiving attention/praise for one's acts. While Left Shark is shaking (or messing) things up, Right Shark is over there making sure things go smoothly.
A: "Man, the bathrooms are spotless! Did you clean them?"
B: "It was C I think, but I never heard anyone ask him to clean up in there."
A: "Huh... I was talking to him earlier and he didn't even bring it up. Dude's so Right Shark, he should totally get a raise."
"Hey the landlord's coming over to show the house to someone today. I'm working a double today, but could you be a Right Shark and tidy up before he gets there? Thanks!"
"Wanna be my wingman when we go out tonight? Last week Jeff Left Sharked it before I could get that girl's number. You've rightsharked for me at this in the past though, so I trust you."
B: "It was C I think, but I never heard anyone ask him to clean up in there."
A: "Huh... I was talking to him earlier and he didn't even bring it up. Dude's so Right Shark, he should totally get a raise."
"Hey the landlord's coming over to show the house to someone today. I'm working a double today, but could you be a Right Shark and tidy up before he gets there? Thanks!"
"Wanna be my wingman when we go out tonight? Last week Jeff Left Sharked it before I could get that girl's number. You've rightsharked for me at this in the past though, so I trust you."
by dwana49 February 7, 2015
Get the Right Sharkmug. used to describe a person who is crazy to the point of putting themselves in obvious harm's way for no reason. See also fucking with cobras
The cops were just about to let Ryan off with a warning before he made that crack about smelling bacon. That boy's playing with sharks.
by Michael T. Biffins October 24, 2006
Get the playing with sharksmug. Used in white nationalist circles, it describes a blonde, Nordic-type woman who dates darker toned men from the Mediterranean countries. It is a play on the term “mud shark” and can be either used affectionately or disparagingly depending on the speaker’s views on inter-ethnic relationships.
by yesterday1488 March 23, 2021
Get the Med Sharkmug. 
very harsh on the eyes, extemel unpleasant looking. can make someone want to vomit upon the sight of.
by Marcus Bortman and Zak Smith January 31, 2005
Get the gnar sharkmug. Josh: "Why aren't you home with your girl tonight?"
Mikey: "Dude, it's shark week! There's blood in the water. I'll see her in 5-7 days"
Mikey: "Dude, it's shark week! There's blood in the water. I'll see her in 5-7 days"
by Wordpervect December 12, 2014
Get the Shark Weekmug. by Handlerr August 28, 2015
Get the Shark in the watermug.