1. A formal haircut in which one's pubic hair is styled to resemble a handlebar mustache.
2. A legendary sexual maneuver involving a fully mature dwarf, a dollop of margarine, an amputee, and the anus.
3. A drunken conversation about philosophy and the nature of life, shared over a cigarette.
1. Dan's girlfriend got a harrigan, so every time they have sex, he feels like he's getting head from the monopoly guy.
2. Mark procured a fully mature dwarf, a dollop of margarine, and an amputee: he was ready for a harrigan.
3. You owe me a harrigan.