A ball shacker is someone who shacks balls. They are brave, ballsy individuals, who shoots out ballsy remarks wherever they so choose, to whomever they so choose. AKA, one who is nardsy. The verb form of this word, is 'ball shackin'.
Note: you may, and it is recommended that, you elect someone amongst your group of friends to be the king of ball shackin'ry.
1.' Wow.. did you hear what she just said?! What a ball shacker!"
2. She was ball shackin all through the town.
3. In his spare time, he enjoyed ball shackin around the internet.
4. He's probably the coolest, most ball-shackin' person I know!
Aggressively hitting on women by force. Often times the "Bull Shark" will be extremely drunk/creepy, and grabbing girls that are not particularly interested in them. A patented "Bull Shark" move would be to grab the girl's face and forcibly make out with them.
Labeling somebody a Bull Shark works best while at the beach. Not only is there a "marine life" undertone in its name, but the beach is a prime location to hit on unsuspecting women, allowing you to creep from one bathing suit to the next.
Chris: Dude, look that creeper over there Bullsharking the fuck outta that girl.
Adam: Wow, she wants nothing to do with him. She keeps walking away from him, but he keeps buying her shots, asking to friend him on facebook.
If your into sea animals, this word is for you. Its like bullshit only with sharks and it can also be used while playing a fun filled sea animal card game.
"GOD DAMNIT, THIS IS BULLSHARK!"
"person a: hm.. lets seeill put down three, fours.
person b: bullshark.
person a: damn."