a mishap; bad luck
anywhere ranging from stealing to jumping someone for something they want
Person 1: look at that nigga with the new 16 gb ipod touch
Person 2: lets block up on him for it
by n-money February 05, 2009
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"That was the weirdest gig ever. The band were obviously all blocked up."
by Killthepopular February 01, 2016
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When multiple people walk into prayers during Kaddish, and they have to stand straight in front of the door. Causing the door be blocked until Kaddish is over.
I walked into prayers during Kaddish and immediately stood straight. Within a few seconds I was joined by multiple other people, causing a massive Kaddish block-up.
by Your Ugly Face February 20, 2013
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