the act of having a female take a big nasty shit on your chest. Once the dirty dump has been excreted upon your chest, the girl must push the shit up to your face and into your mouth with her tongue alone. The dirty colleen has rarely been done but is highly pleasurable to both you and the girl.
Leo: "Ah dude, that chick looks so hot, i bet she is a freak in the bed!"

Angus: "Yeah dude she totally is, the other night my friend had sex with her and afterwards, she gave him a bronze colleen!"

Leo: "No way man! This girl is perfect!"
by txagwader09 October 27, 2010
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