girl-crack
Something addicting a man says or does that makes a girl have butterflies.
When he gave me that ring, that was serious girl-crack.
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."
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