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2.
Something which is completely unfunny and creates an awkward silence. Opposite of a roflcopter.
shit joke...

*silence*

"what a roflbrick
by shimmy dee July 29, 2011
 
1.
A brick that can be thrown physically or mentally at a person to make this other person laugh.
Person #1: Why aren't you laughing at my jokes?
Person #2: IDK
Person #1: Here take this roflbrick
Person #2: Ow...HAHAHAHAHA
by denandershaw July 15, 2011