A list of “10 quirky uses for English” popped up in my Reader today; I particularly liked paraprosdokian (example: I’ve had a perfectly wonderful evening, but this wasn’t it. )
I think I’m correct in assuming that the above Tardar saying is paraprosdokian.
The late great Groucho Marx is credited for this comic ingenuity, a sentence which is a prime example of a paraprosdokian: a phrase which figuratively sucker-punches you. The listener or reader will have to reframe or reinterpret the earlier clause.
Find the rest here.