1 definition by no_lyf

to tell the time before anyone else gets the chance to; similar to the cockblock, but for the current time, not penetration
Derpina: Guys, what time is it?

-race to check the time-

Derpington: It's derp o'clock.
Herpanna: Dammit, Derpington, you always clockblock me! I wanted to say what time it is!
by no_lyf June 3, 2011
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