You ain't seen nothing yet!

(someone) ain't seen nothing yet

Someone has only glimpsed or experienced the beginning of something that will become even more exciting, impressive, or important. (The word "ain't" is a colloquial form of "hasn't" or "haven't," which are sometimes used instead.) I could tell your parents are already impressed with the house, but they ain't seen nothing yet! A: "Wow, there is so much going on in this city all at once!" B: "Just wait, darling, you ain't seen nothing yet—it only really comes alive at night!"
See also: nothing, seen, yet

You ain't seen nothing yet!

Rur. The best, most exciting, or cleverest part is yet to come! (The use of ain't is a fixed part of this idiomatic expression.) Alice: Well, the first act was simply divine. Sue: Stick around. You ain'tseen nothing yet! Mary: This part of the city is really beautiful. Bill: You ain't seen nothing yet!
See also: nothing, seen
References in periodicals archive ?
KENNY Jackett has praised on-loan Liverpool star, Sheyi Ojo, and warned opponents: You ain't seen nothing yet
If you thought the typical stag do stunt of being tied to a lamppost naked was bad, you ain't seen nothing yet
As they in show business circles - You ain't seen nothing yet
RAHEEM STERLING committed his long-term future to Liverpool yesterday, but insisted: You ain't seen nothing yet
If you think China is booming now, you ain't seen nothing yet