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1.
phrase used when one is excited, pleasantly surprised, confused or has nothing else to say. normally said in a high pitched tone while nodding the head. also said sometimes in order to laugh off something embarrassing someone just said.
Ethyl: "You have just won 9 million dollars!"
Saruh: "Yeah you know what alright, yeah!"

Harvey: "You are quite possibly the most beautiful girl I have ever laid eyes on."
Myrtle: "Yeah you know what alright, yeah!"

Tilly: "Pure mathematics is, in its way, the poetry of logical ideas."
Francis: "Yeah you know what alright, yeah!"

Bert: "So I'm going to eat a taco now."
Rhonda: "Yeah you know what alright, yeah!"

Gerald: "I have a heavy flow."
Teresa: "Yeah you know what alright, yeah!"
by Sarahsaurus Rex February 03, 2010