Top definition
To procrastinate and hang around causing yourself to not go to bed at your set or usual bed time.
Guy 1: "Dude, do you have Mrs. Daniels homework?"

Guy 2: "Nah, I nightascinated last night, so were both screwed."
by leefrenzy December 17, 2009
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug