Top Definition
A caffeine hangover, specifically the feeling you get the day after having a bottle of nos or an otherwise large amount of caffeine
Dude I have the worst nosover this morning, this headache just won't go away. I can't believe I had 3 bottles of nos at the movies last night.
by thepwnmaster December 02, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.