Green’s Dictionary of Slang

grumpy-drawers n.

also gloomy-drawers

(mainly UK juv.) an ill-tempered, depressive person.

[UK]T. Blacker Fixx 40: The very last thing I needed was a dumpy gloomy-drawers.
[UK]Guardian G2 24 Aug. 5: I [...] told Mr Grumpy Drawers to shove his unseasonal rigour up his arse.