crotch·ety 
/ˈkrɑ:tʃəti/ adjective
/ˈkrɑ:tʃəti/ adjective [more crotchety; most crotchety] : often annoyed and angry : grouchy
▪ None of the students dared to talk back to the crotchety old teacher.
▪ None of the students dared to talk back to the crotchety old teacher.
