puggy
OK, it's not exactly made-up but it keeps reinventing itself for new occasions , definitely in the west of Scotland, don't know where else.
Puggy = monkey
(puggle or pochle or pauchle = trick, nick, or nick by trickery; to cheat a bit. The verb hasn't really changed)
A bit later, puggy = organ-grinder's monkey
(for taking money; when my dad was a child)
A bit later, puggy = one-armed bandit (when I was a child)
(machine for taking money and pretending it might give you some back)
A bit later, puggy = bank machine for giving you your own money.