1 definition by evan & joe

Top Definition
Oral Sex with a man that involves the full spectrum of male genitalia, including but not limited to the penis, balls, and perineum.

Named for the likeness to the KFC sandwich, i.e. salty, cheese, and all meat.
Verb:

Stephanie didn't just go down on him; she went double-down.

Noun:

Man, I could really go for a double down right about now.
by evan & joe July 19, 2010
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