Green’s Dictionary of Slang

skewgee n.

[skewgee adj.]

a squint.

[UK]Farmer & Henley Sl. and Its Analogues.

In phrases

put the skewgee on (v.)

(US, also skewgee) to cancel to render unusable.

[US]Eve. World (NY) 15 Dec. 4/2: The Kibosh and the Skewgee. This thing of skewgeeing cheques is getting to be too miscellaneous. Alderman Parks put the skewgee on a check for $4000 [...] and, owing to the skewgee, the drawee could not get the filthee.