have a cob on

have a cob on

To be angry, agitated, or irritated. Primarily heard in UK. John always has a cob on after getting stuck in traffic on his way to work. I don't know why you have a cob on—I was only trying to be helpful! I wasn't in a hurry to tell you about my accident because I knew you'd have a cob on!

See also: cob, have, on

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

have (or get) a cob on

be annoyed or in a bad mood. British informal

See also: cob, have, on

Farlex Partner Idioms Dictionary © Farlex 2017