“A brick could be used as a patsy in a murder plot.
”

“A brick could be used as a fashion accessory. Or an accessory to murder. I believe the phrase is, "If looks could kill.”

“A brick could be used as a response when the cops ask you if you murdered your mother-in-law. Forget yes or no. Well, forget yes altogether, but use brick for every response except one: What object did you use to carry out the killing?
”

“A brick could be used as a brick. Clever, right?
”

“A brick could be used as a laxative. You know, “Shit a brick.”
”

“A brick could be used to keep warm, and a blanket could be used to build a house.”

“A brick could be used as a cock block. 
”