1 definition by MBCI kinda sucks

The process in which two or more people notice that one of their friends is walking/flirting with a person that is way too attractive for them. Thus, to break up the social engagement the initial group that noticed the flirting catches up to the canoodling couple and initiates a conversation to prevent the pair from flirting further.
Guy A: Dude, did you see Carl and Vanessa walking to class together.

Guy B: No, why?

Guy A: He was hitting on her like crazy.

Guy B: Wow, that's not even reasonable; she's way hotter than he is.

Guy A: You thinking what I'm thinking?

Guy B and Guy A in unison: Walk, talk, and cock block.

(They grab their books and run after Carl and Vanessa in hopes of killing the mood.)
by MBCI kinda sucks July 22, 2009
Get the walk, talk, and cock block mug.