This is the act of someone who milks a cow and or women, selling it for a profit
I'm a milkman my wife has a lot to share
A black guy that loves latinas or just women of lighter complexions
“Yo bro you know Damien is a milkman?”
“Yea I always see him around them asians”
The first person to lose in the No-Nut Challenge
"Josh lost the No-Nut Challenge, what a milkman!"
Typically, this will be a transitional gender woman with massive milkers, hence the term "Milk" being used within the name, these massive knockers would also work as a pillow. However this person is also quite short, and has long blonde hair.
A brown/black guy who prefers white woman.
Ron is dating Matilda, he's a milkman for sure.
The guy who takes such a huge hit of the bong that the whole chamber turns completely white with smoke. Milkman status is usually followed by heavy coughing and tearing eyes.
"Dude, look at that huge hit Ben is taking. He's the milkman."