shirty UK /ˈʃɜː.ti/US /ˈʃɝ.ti/ adjective1 •(UK, informal) Ill-tempered or annoyed."You ain't shirty 'cause I kissed yer last night?" "I'm not shirty; but it was pretty cool, considerin' like as I didn't know yer." — 1897 formsshirtier · shirtiest