The act of fellatio, performed by two mouths on the same penis.
The best head I ever got was from Carrie and Blair. Those two were playing the Devil's harmonica!
by LockguyDFW November 24, 2020
Get the Devil's harmonica mug.
To have or provide an alibi so airtight it would remove all doubt and vindicate even the devil.

See also Devil's Advocate , Devil's Plea
Tom: Hey Joe! Did you steal my stereo?

Joe: No way dude. It wasnt me.
Tom: How can I believe you after you stole all my porno's?
Joe: How about the fact we are currently standing in an airport next to a plane I just unboarded which came from Canada where I have spent the last 3 years? Is that a Devil's Alibi enough for you?
Tom: Hmm....yeah I guess so...
Joe: Oh and also I have the new HDDVDHDFDHD 9001 Nexus iOne at home you can come look for yourself
Tom: Yeah yeah I get it.
by notyourfiend August 15, 2019
Get the Devil's Alibi mug.
When you cum in the butt and it drips to the pussy and impregnates her.
My son was born from the devils drip.
by Mrs..Wright August 5, 2023
Get the devils drip mug.