poostash
simply a 'poo-moustash'. generally due to recieving a dirty sanchez or the partial construction of a dirty Bepe or even a dirty David
"i left her with a bottom full of man milk, a poostash and a smile on her face..."
poostashe
similar to a dirty sanchez, only the recipient does not know they have been given one.
Hey, check out your neighbour neil. He has poo on his top lip. He looks as though he doesn't even realise.. I wont be lending sugar to him anymore.