Top definition
Cyber Cock Block (or C.C.B) n. An unwelcomed person who intentionally invites themself to join a private or intimate conversation between two individuals via the Internet
Dude, I was talking to that hott chick on FaceBook last night but Alexia kept "liking" my posts. Damn that girl is such a cyber cock block!
by Keepdancing July 11, 2010
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