(usually postpositive) British slang bored, disgusted, or angry
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with cheesed off
Angry, fed up, annoyed, as in I'm cheesed off about watering their plants twice a week. This term was originally military slang and sometimes put simply as cheesed. [Slang; mid-1900s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.