Top Definition
when you open up a soda can and somone else comes out of nowhere to take the first sip, subsequentially claiming it their beverage
I cracked open a mountain dew and that bastard stright up popblocked me
by J.P. Palmer May 09, 2007
when you're watching or reading something sexually stimulating on your computer and then a pop up suddenly appears and blocks your vision on the screen.
Guy 1: man i was fapping to this video and just when i was near my limit a pop up suddenly appeared!

ending up blowing to some "free iphones"

Guy 2: lol you got pop blocked so hard.
by AxelD September 24, 2011
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