A person who contantly is bumming cigarettes, and beer, and/or requesting you to purchase him/her glasses/pitchers of beer at the bar. Often seen invading personal space when speaking by talking three inches from face. Uses the phrase "Nah" to signify the reverse meaning of what he/she just said, usualy in a joking or sarcastic mannor.
Can I funo a smoke?
Don't be a funo?
No, funo, you can't have a beer.