Top definition
The urine that flows uncontrollably from your bladder when you are laughing very, very hard. Usually only a very small amount, but it never fails to be enough to create a noticeable stain upon your trousers.
*guy is surfing myspace for funny bumber stickers, finds one*
"Nigga stole my Yoshi!"
*penis excretes lolpiss as he rofl's*
by pan negro February 24, 2010
Get the mug
Get a lolpiss mug for your guy Georges.