Definitions by Mfmt11

Siamese piss 

When you forget to clean the residual semen off the tip of your dick and it dries. After it has dried and you urinate the pee goes in two opposite, unpredictable, directions.

" Dude, I just went to the bathroom and took a Siamese piss on the guys shoes next to me"

Siamese piss by Mfmt11 May 8, 2016