Someone who drinks alcohol too much and too often; a drunk. Primarily heard in UK. Her husband's a total pisshead —hasn't held down a steady job in years.The pub was empty, save for the few pissheads who never went home.
pisshead
1. n. a wretched and disgusting person. (Rude and derogatory.) How can you even think of going out with a pisshead like Sam?
2. n. a drunkard; a drunken person. (Rude and derogatory.) Some old pisshead in the gutter must have given you that hat.