Top definition
What you say to someone when you want to express that they have pissed you off because they have done, or forgotten to do, something. Consequently, you feel that they are a numbnut, idiot, dumbass, blonde, stupid etc.
To the random smelly sweaty guy who doesn’t shower nor wear deodorant and sits right next to you on the train – β€œNOT HAPPY, JAN!”
by UnCo October 15, 2006
Get the mug
Get a Not happy, Jan! mug for your fish Vivek.