- pisshead
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1. n. a wretched and disgusting person. (Rude and derogatory.)□ Hey, pisshead! Clean up that mess!□ 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 ou that hat.□ The cops hauled in a couple of pissheads and locked them up.
Dictionary of American slang and colloquial expressions. 2015.