1 definition by Big Vic

Top Definition
When someone's entire body arches backwards and tenses up because something in being inserted in their ass, they remain locked in this position because if they relax just for a second, the object may go in their ass.
I'm going to jam this stick up his ass and get him in an asslock.
I tried to put my cock in my girl's add last night, I only got the head in when she went all asslock on me.
by Big Vic October 28, 2013
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