(vulgar, slang) To make or attempt to make another's intended goal of sexual intercourse impossible.

(vulgar, slang) The act of cockblocking. / (vulgar, slang) A person who cockblocks.

simple past tense and past participle of cockblock

plural of cockblock

Third-person singular simple present indicative form of cockblock

present participle of cockblock

plural of cockblocker

Agent noun of cockblock: one who cockblocks.