Green’s Dictionary of Slang

short-arsed adj.

[short-arse n.]

a non-specific insult, usu. aimed at a short person.

[UK]‘J.H. Ross’ Mint (1955) 108: Look me in the face, you short-arsed little fuck-pig.
[UK]Galton & Simpson ‘Loathe Story’ Steptoe and Son [TV script] Silly short-arsed git.
[UK]A. Payne ‘Get Daley!’ Minder [TV script] 61: Albert Wendell. Twenty stone of short-arsed nastiness.
[US]Barbara Anderson Portrait Artist’s Wife 247: Jason, a short-arsed barrel-chested model.
[UK]N. Griffiths Grits 97: A looked over at the bar like an saw iss fuckin short-arsed twat in a blew jumper.
[Aus]Sydney Morn. Herald 27 Feb. 8/5: Then emerged a ‘little short-arsed fellow’.