Define Girl Crack Meaning

Girl Crack
A phenomenon of popular culture, usually a song, that immediately and substantially elevates the mood of all women who find themselves experiencing it. The effect is stronger at night, and magnified when mixed with alcohol.

"Like a Prayer," by Madonna, is girl crack, as is "Total Eclipse of the Heart."
By Cyndi
Sweating Like A Fat Girl's Crack
To describe profuse sweating

Man, I had the tds at work yesterday and was sweating like a fat girl's crack
By Dione