Capriciously stubborn or eccentric; perverse.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "crotchety" in a sentence
"It's what I call a crotchety conscience -- always in the way of your doing anything like anybody else."
"Yeah, the clothes alone would put the crotch in crotchety."
"Most recently, Boyle was known as the crotchety father on the television comedy series Everybody loves Raymond."