Top definition
The stratigic placement of a musical instrument in your girls mouth, whilst plowing her from the back.

When she's screaming like a boar, gently place the Harmonica in her mouth to complete the Hillbilly Harmonica.
What did you do last night mate.

" well we had good night until I have her the Hillbilly Harmonica"

Its where you put a Harmonica in your partners mouth while she's being plugged from the back.

She's want pleases but it definitely made a fucking symphony.
by porkchopp69 November 09, 2020
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May 20 Word of the Day
A cryptocurrency of little to no value, usually a late-comer to the Bitcoin craze, a copycat cryptocurrency.
There are so many shitcoins these days, just stick to the classics.
This new b1tc01n crypto is just another shitcoin.
by Tatsuman February 18, 2018
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2
To place a music instrument into you partners mouth while having sex in the doggy style position
Have you ever done the Hillbilly Harmonica?

What's that.

Its when you put a Harmonica in her mouth while you're balls deep, riding her like a pig.
by porkchopp69 November 09, 2020
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