chromies a.k.a valve stem cap(if you dont know what it meens heres the definition for it) The caps that keep the air from coming out of your tires.

Shiney ass chrome rims. Chrome rims should be at least 17 inches in size.

A misanthropic bicycle gang form Chicago.

A person who has, or appears to have one extra chromosome causing autism or Down's syndrome.
Can be intelligent but shows signs of idiocy.

A chrome valve cap for a tire, desired by teenagers to stylize their bicycles.

A chromy is a person that seems to have an extra or one less chromosome , whether they actually have this or if they just look like it.

The girl who acts pervy and hints sexual needs but gets denied by her yagmi.