A person or persons whose general appearance resembles a house made from bricks of shit.
Felius Fudgepacker: "Check that munter out" *points*
Johnny Rugmuncher: "Aye she's a right shit brick house."
Krystal "Fingerlickingood" Meths: "2 fer a £1, get yer blowies, 2 fer a £1!"
A friendly brick is a brick which is held in the holders dominent hand then waved/ hurled towards people or things that are "less than cosure" or simply things which are getting in the way.
damn man, that guykevin asked her out before I could (unhappy face here).
other guy: perhaps a friendly brick would solve your little kevin problem, no?