To dominate or boss a situation. To "own the room" and to be seen as the natural leader.

When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.

1. t00l

2. to fuXup egregiously with immense delay of rectification!

3. Jib \Jib\, v. i. Connected with jibe; cf. OF. giber to shake. To move restively backward or sidewise, -- said of a horse; to balk.

4. n.
A derisive remark.