caser, n.⁴ — Green’s Dictionary of Slang

caser n.⁴

[one would have to drink a ‘case er’ (i.e. ‘case of’) beer before making love to them]

(Aus.) an unattractive woman.

2003

www.thepantsman.com 🌐 They were two of the skankiest casers spotted on the Pants tour (i.e. ‘it would take a caser’ beer to fuck ’em’).