Person 2: Why?
Person 1: She was at that party with Tom and he was totally sharkin on her.
Billy: hey man are we heading to that girls house?
Chad: Yea but they both have boyfriends.
Billy: are their boyfriends going to be there?
Chad: nope...Fuck it...looks like we're sharkin tonight.
2.When some dude gives you ganja concentrated treats and you "don't know how to act."
3.Being way too high basically....
2) retty much just retarded language
1) person 1: maaan, did you catch the game last night?
person 2: yeah man, pretty sharkin'
2) Rahman: hey you okay buddy?
Jason: NOOO man, im sharkin'