uncontrolled noises made by a lover (usually female), when breathing, a whimper of sorts, hard to describe when one doesn't know what to call it but hears it when thoughts of lover arises during prolonged absence, much deeper than a sigh
Tom knows he still has his girl when he hears her colcoo on the phone after being gone for weeks.

Sara hears herself colcoo when she thinks about how much she misses the touch of her man.
by teemee July 31, 2010

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