Brown Harmonica 

When one performs analingus on a women while fingering her vagina.

“At an orgy, I received a Brown Harmonica from an Indian man.”

Brown Harmonica by Sheepluv420 August 13, 2017

Mia and her harmonica 

the greatest harmonica player (or person) to ever grace planet earth

Person1: "hey did you hear Mia and her harmonica's new album? It's so great!"
Person2: "no, I do not know who Mia F is because I am an idiot who lives under a rock"
Person3: "it's the best album ever! go and listen to it RIGHT NOWWWWW!"

Mia and her harmonica by miaharmonicastan12345 June 13, 2021

you can’t play hitler’s harmonica 

Inspired by the movie “Rat Race”, this is used when someone is doing something they shouldn’t do.

Kyle: i’m making uncarbonated soda
Me: you can’t play hitler’s harmonica!

you can’t play hitler’s harmonica by harmonica March 30, 2021

pittsburgh harmonica 

The act of physically lifting up a girl above one's shoulders and orally pleasuring her in a side to side fashion. Only accomplished by individuals with grotesque upper body strength .

Wiz just gave that girl a Pittsburgh harmonica.

pittsburgh harmonica by Kurtis K May 4, 2008

sad harmonica 

when you sneeze while eating a girl out, and it makes a 'phhhbbrrrrtt' sound

I've got to take my allergy medication more regularly: I gave Angie a sad harmonica last night

sad harmonica by ChocolateyShatner January 31, 2017

czechoslovakian harmonica 

When you have your female partner bent over on all fours and have 2/5ths of your tongue in her anus and 2 fingers in her vagina whilst simultaneously stimulating the clitoris reach-around style with the other hand

Monica glared deeply into the windows of my soul, desperately aching to be serenaded by the Czechoslovakian Harmonica

czechoslovakian harmonica by The Kydd December 19, 2020

Harmonica style

When a dick is too big to blow so you have to play it side to side

Omg, you wouldn't believe how big John was - I had to do it harmonica style last night!

Harmonica style by mayocheese April 3, 2015