A fork of Rural Dictionary
mouth organ another colorful euphemism for the act of fellatio.(sucking cock) also known as a harmonica
I preformed on a juicy mouth organ
Playing the marvellous instrument known as the penis by blowing and sucking in various different ways.
-girl: I'm an expert at playing the moth organ -boy: wow, what's that? Can you show me? -girl: okay then, drop your pants -boy: ohhhhh mouth organ, sure 😜
an exclamation of extreme displeasure when words such as shit, bollocks and cock just aren't enough.
Pete: hey andy, somebody just smashed your car up! Andy: SECRET MOUTH ORGAN!!!!