flapping it

Flapping it is dialect originally from Manchester. It basically means being a chicken. It's usually used in arguments and fights.

"So we gonna fight or not!?"
*Other person walks off*
"Oi he's flapping it!"

Solid

Solid is a term for someone who acts very tough and usually hangs around with people who do drugs when he/she doesn't themselves.

*See a guy acting tough*
"Mate he is solid!"
"He's not even cool!"