An Andrew is a very crazy person! Great fun and we all wish we knew one. Sometimes he can be a complete retard but lots of fun. Lots of girls like an Andrew because he isn't like any others.
A ugly ass bitch, who doesn’t know how to talk to female girls underaged. Andrew will chug as many protein shakes as possible to look like a fat transgender women that recently got plastic surgery. A Andrew will do anything to get head (so hide your kids)
Of Scottish Gaelic origin, (Pronounced On-der-oo) meaning strong, well endowed, sexy man. Usually given to the strongest most manly men in a Scottish Tribe