1 definition by RickSlick69

Top Definition
To cock-block someone even when you have no chance of hitting that yourself.

Also a noun: "geoff," someone who geoffs someone else.
I was just about to go upstairs with the supermodel when he swept in and geoffed me.

He is such a geoff; I was going to tap that and then he cock-blocked me.
by RickSlick69 December 15, 2010

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