dawncracking

v. Staying out late, very late, often for nefarious purposes.

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You been dawncracking all week Lemar. What up with that? How you gonna do any proper operations if you are all the time tired?

Leave me alone nurse. Don't tell me you didn't do some dawncracking when you was young.

What you mean "When I was young"? Don't you make me scalpel-cut your sassy arm.