Often used to describe a homosexual. More specifically an Evans is attracted to younger children around the age of eleven (Hence the E in evans) of the same sex. This word can also be spelled as Gevans- for a Gangster Evan.
Did you know that "Garret" is an Evans? No Way!!!!
"That dude is an evans."
"Yo! that gang on 54th street is nothin but some Gevans".