Green’s Dictionary of Slang

standing ware n.

[stand v.1 + SE ware, goods]

the erect penis.

[UK]N. Ward Hudibras Redivivus I:9 6: Who had full Twenty Years in Town / Retail’d her Favours up and down, / ’Till she had burnt with Claps and P—xes, / More standing Ware than Sampson’s Foxes.