chilly willy girl 

a girl who feigns sickness and/or poverty to gain an advantage.

She is such a chilly willy girl, calling in sick and crying to get off work and to go out and party.

chilly willy girl by mlb10 December 8, 2009

chilly girls 

girls out clubbing, seen in the streets on cold nights wearing tight mini dresses and bare legs without jackets, shivering waiting in line to get somewhere

"damn, check out the wasted pack of chilly girls headin this way..."

chilly girls by JKX June 2, 2013