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The act of placing one's erect nipple into another person's anus; the act of giving a 'Milkdud.'
Tina: Me and Jennifer got drunk last night, and she gave me Milkdud.

Billy: Like...the candy?

Tina: No no no. A Milkdud...you know.

Billy: OH NO A CLiiiiifff....OH NOOoo...

Tina: That's the last time I ever try Milkdudding...
by Klaus Mauser February 28, 2011