Green’s Dictionary of Slang

1. (US Und.) a strait jacket.

1949

Monteleone Criminal Sl. (rev. edn).

2. a condom.

1999

D. Lypchuk ‘A dirty little story’ in eye mag. 8 July 🌐 The two of them dabbed the brush, danced the goat’s jig, dug in the whisker and swept the chimney until, just as he was about to do her a kindness, his sweater fell off and he had to put a new willy-welly on.