I'm really pissed off with my boss at present. He refuses to listen to me.
pissed off in American English
adjective
slang, vulgar
angry or annoyed
Word origin
[1935–40]This word is first recorded in the period 1935–40. Other words that entered Englishat around the same time include: Arts and Crafts Movement, Rhodesian ridgeback, fluorocarbon, hard core, roadblock