1. Shouting at a superior that you are almost done when you have not started
2. Loging in and out of facebook saying, "ok i really need to finish(that's what she said)"
3. Surfing the web for things you cannot afford (Ferraris, Lamborghinis, masions)
4. Watching far from viral videos on youtube then commenting said videos and forwarding them to your friends
5. Setting your status to: "pissed off that I didn't sleep
6. Throwing things
7. Buying the XXXL sized Monster and convincing people that it uses less packaging (for the enviromental late-nighters)
8. Posting on forums that have not been active for over a year.
9. Signing up for multiple "free" web offers - see scam
Guy 1: Holy Crap, I didn't finish any of my homework for the whole year.
Guy 2: What were you doing?
Guy 1: I was late-nighting writing definitions on Urban Dictionary
Guy 1: I was up Late-nighting for the last week.
Guy 2: Oh yeah that's cool.
Guy 1: I know I think I