A man's ability to remember any bare breast that he has ever seen, with a high level of detail, even many years after the last sighting of the remembered breast.
At the age of 52, Bill was thankful that his mammary memory allowed him to continue enjoying the sight of his college girlfriend's bare breasts, even though they had broken up before graduating from college.
by Andrew J. Cook October 24, 2009
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very very massive boobs
Dude last night I was at the bar and I saw this chick that had massive mammaries.
by bigflufy6996 April 6, 2015
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Large round yet flat (pancakes) tits with big nipples

Like walking around with two portobello mushrooms stuck to your chest with the stalks pointing outwards
by VeryVisionary September 17, 2023
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The built in sense that most men have that gives them the ability to become aware of, or observe a bare breast, no matter how far away, or how obscured by other visual distractions. Usually coupled with a man's mammary memory to keep stocking the memory with new bare breasts to enjoy.
Dave's mammary radar alerted him to the two women that were sunbathing topless on the beach nearly half a mile away.
by ajcook1960 December 12, 2009
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A new-age dance move performed by making a wanking motion with the hands, although done at the level of the nipples, such that it looks as if you are milking your fucking tits dry/wanking your nips.

Can be performed by both males and females.

May be used as a dice-rolling technique in the dice game of "Shit On My Dick."
I tore up the dance floor with my mammary wanking last night!

That mammary wank roll scored you a shit on my dick! Nice work!
by Gatsby UNH May 12, 2011
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