Green’s Dictionary of Slang

speedy adj.

[play on fast adj.1 (2)]

living a pleasure-seeking, hedonistic life.

[US]B. Hall ‘En l’air!’ 183: Of course the [girls] who take to flyers are a little more speedy, as the average flyer is a little on the speedy side himself .
[UK]J. Manchon Le Slang.