when u take a huge shit into a sock,a bag,or andthing that will hold a huge load. tie the sock/bag off swing it around your head like an old fashion sling shot, go slap some one in the face with ur steaming load
-charles took a huge steamy load into his sock and ran up to his buddy chester and slaped him in the face with it

-i ran up to that cop and gave him a slapsteamer
by mmmfood08 March 11, 2006
Get the slapsteamer mug.