Xander, the name of someone who is socially inept, extremely rude, feels the need to constantly work out for the fear of nonacceptance. Xander is usually the name of someone who feels the need to make his Honda Civic extremely loud, and it's still a POS.
John: You see Xander over there man?
Bill: Yeah dude he's such a faggot.
John: No kidding, I'm glad I'm not him.
A Xander is a pretty useless shit. He is usually called out for being a faggot. A Xander usually is really ugly looking and his breath makes you want to barf. Having one of these as a friend can be very useful. Xander's are almost as tall as giraffes. When encountering a Xander be very cautious they may bite.
Xander is a person who is quite shy has dark humor but is really funny and cool when you got to know him. If you're a girl you'll definitely want to get to know a Xander. He is also very trustworthy and understanding. The name Xander comes from Alexander like in Alexander the Great.