Definitions by SweatyBear

Banana Milkshake 

The phenomenon occurring when a piss is so pleasurable that simultaneous ejaculation occurs; the creamy yellow combination of semen and urine is the 'banana milkshake'.

"Bro, I needed to slash so bad that when I did I made a banana milkshake".

Banana Milkshake by SweatyBear May 9, 2016