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The lag between replies in an IM-style conversation: one person types a new statement BEFORE the other person types his/her reply to a previous statement, thus making it unclear in a humorous, surprising or even tragic way.
Eli: I just got accepted to go on the space shuttle.

Nina: Oh wow!

Eli: Oh, and one other thing.

Nina: You must be so excited!

Eli: I think my condom broke last night.

Nina: That's SO AMAZING!

Eli: Uh, chatgap?

Nina: Oh, snap! Chatgap!

Eli: BRB
by namaste0333 July 02, 2009
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