Top Definition
Tentacterous (adj.)

Usually used in the same sentence as booty/ass/butt/etc....

Refers to a very wide ass that seems to almost grab hold of both sides of somebody grinding on that ass's hips.
Renzo: Bro that girl I just danced with was so hot! And her ass was enormous! When she moved it up and down she practically lifted and dropped by whole body!

Franco: WOAH! So her ass was so big it was almost as if she was picking you up and down with it? Like an octopus would with it's tentacles!

Renzo: Precisely! Her ass was TENTACTEROUS!
by Swizzle Ghandhi'ma January 16, 2010

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