As you're cumming at the end of sex, you down a whole jug of chocolate milk. Similar to the term blumpkin.
"I bought some chocolate milk today so me and my girlfriend can try a milky finish."
by Cheeeseey December 24, 2016
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Just fucking down an entire jug of chocolate milk while cumming inside of your partner. Similar to a blumpkin but not as gross.
Sean: My milky-finish was ruined last night after I bought a jug of fat free chocolate milk.

Tobey (Maguire): Pizza Time
by z_EcHo October 8, 2018
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