Somebody who wears a retro basketball jersey in attempts of being ironic. This term is a branch of the original term, 'Hipster'.
Hoopster- "Bro, check out this new Vancouver Grizzlies jersey I got."
Guy- "Lol you are such a hoopster".
as defined by deadspin, a floopster is a female hoopster. She has all the traits of her male counterpart, but she also has a vagina.
Deadspin writer: Hey AJ, I got sent this great shot of a floopster.
AJ Daulerio: A what?
Deadspin writer: One of those hipster chicks who wears retro basketball gear in an attempt to be relevant or something.
AJ Daulerio: Did she include a dick pic?
Deadspin writer: No.
AJ Daulerio: I guess we can publish that.