A CIW is "Chick In Wheelchair" or "Chick's In Wheelchairs" referring to one or multiple females in a wheelchair.
"Hey! Look at that CIW! She blew threw the red light!"
"Look at those CIW's, they're dressed so nice today"
"Look at those CIW's, they're dressed so nice today"
by Judgejudy15 November 10, 2021