Green’s Dictionary of Slang

hitch v.1

[? abbr. hitch up one’s sleeves]

(US) to start fighting.

[UK]J.H. Carter ‘The Battle of Spar Island’ in Log of Commodore Rollingpin 193: You orto’ve seen ’em hitch.
[US]Ade Hand-made Fables 118: As long as the prominent Matrons stood without hitching he tried to let on to appear not to be Feazed.