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An eightball consumed before going to bed by someone who has the ability to go to bed after an eightball. If said person does not have the tolerance to go to sleep, the consumption does not constitute a nightball.
My friend Robyn suggested I do a nightball to soothe my nerves.
by Jewbacchus August 04, 2007

Words related to Nightball

anal night ball cavities cocaine coke dryer eightball sleep
basically, night balls are blue balls that have been acquired by getting lap dances at a strip club all night.
dude, after getting 7 lap dances at the rhino last night i was cruisin home with a serious case of night balls.
by troyco July 10, 2007
A slimy ball that randomly appears in your dryer after you leave it on over night, some northern cultures eat it as delicacy. A night ball is mostly made of mucus that is collected in the anal cavities and then transferred to ones under bridges and then the dryer
"Hey kate, can I use your phone as a light so I can find an outlet?"
"No i'm using it"
by johannavannippleballs November 23, 2011