Top definition
A great descriptive phrase for boobies/norks/tits.

Use if you want to sound intelligent and/or a tosser.

Immortalised by Frank Zappa in his Joe's Garage album.
"..our big prize tonight is fifty American Dollars to the girl with the most exciting mammalian protuberances... ...as viewed through a thoroughly soaked, stupid looking white sort of male person's conservative kind of middle-of-the-road COTTON UNDERGARMENT! Whoopee! And here comes THE WATER!
by Dave the Sheep July 14, 2010
Get the mug
Get a mammalian protuberances mug for your bunkmate Vivek.