There was a commercial on TV years ago that had a guy with a shirt on that said "LUNCH" in block letters (a la Blutowski's "COLLEGE" sweatshirt). Well, I thought that was pretty funny so my friends and I took up the nicknames for the night of "Breakfast", "Dinner", "Snacks" and I was "Lunch".
We went out to a bar and my friend "Dinner" went up to a girl and introduced himself as such and then turned to me and said, "And this is my friend, 'Lunch'."
The girl turns to me, gives me the once over, and says very slowly and with as much derision as she could muster, "See ya later, Lunch."
Good times... good times.