Someone, who when out with friends at a social gathering could ‘go off’ at anytime and cause complete and utter chaos to what was a well conducted evening
Wy did you invite Garner out man? you know he’s a social hand grenade, and I’m meeting that smart bird from work later on, I can’t belive it
The act of flirting, similar to playing footsie, only in which one secretly touches the hands or arms of another with one's own. Can occur under a dinner table or discretely out in the open.