Top Definition
One who tends to cockblock others around him in a consistent manner. Much as a clock will never fail to tick, such does this person never fail to cockblock.
Man : Hey, want to go to my house and watch a movie or something?
Girl: Umm, yeah sure let's go righ-
Clockblocker: Yo you baggin it up?
Man: Yo stop being such a clockblocker.
by antlerskettering November 28, 2009
A person at the workplace that is taking too long at the punch clock, and blocks you from punching in on time.
Damn, I would have been on time, but Julio, had me blocked at the punch clock. That clock blocker!
by Mr. ravioli November 15, 2013
Someone who just keeps getting in the way of clocks.
Why, you broke my Rolex, you clockblocker!
by smart_guy_is_smart May 11, 2015

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