No need to get shirty!shirtyshirt‧y /ˈʃɜːti $ ˈʃɜːr-/ adjective British English informal 
No need to get shirty!
EXAMPLES FROM THE CORPUS
- Jack didn't like it and he was a bit shirty with Maurice.
- Laughing boys ... or getting shirty?
- There are lots of shirty assertions about independence, few actively demonstrated.
COLLOCATIONS FROM THE ENTRY No need to get shirty!
bad-tempered, angry, and rude: No need to get shirty! No need to get shirty!