<n.> This demeaning phrase was originated in New Jersey's Monmouth county. The 6-letter word originally stands for
Bennies At Monmouth, Shy Around Girls
Yet this phrase has evolved from just being used with bennies and people shy around girls, now it is known to be affiliated with pansies and pus*ies alike. This can easily be replace with any word to poke fun at one another.
A: Dude you go first.
B: Nah, You dude.
A: Shut the hell up, don't be such a bamsag.
A: Man, just go talk to her, she's looking at you.
B: I don't know bro.
A: You bamsag, just go over there!