Mr. Candy: They're a real bargain at only $2 each. Heck, they practically sell themselves! Now, what if I told you that the richest man...
Butt-head: [mockingly] Blah blah blah blah blaaah bluhhh-ehhh!
Beavis: [in imitation] Blaaaah-blaaaah, heck, they practically sell themselves, ehhhh!
Mr. Candy: Well, you two seem to be real know-it-alls. Why don't you tell us what you're gonna say when a customer says "no"?
Butt-head: Uhhhh, I'd say, "blah blah blah blah blah-leuuuh-luh!"
Beavis: [in imitation again] Blah blah blah blah, what do you say when a customer says no? You seem to know it all! Blah blah blah-blah-blah-blah!
Butt-head: [mockingly] Blah blah blah blah blaaah bluhhh-ehhh!
Beavis: [in imitation] Blaaaah-blaaaah, heck, they practically sell themselves, ehhhh!
Mr. Candy: Well, you two seem to be real know-it-alls. Why don't you tell us what you're gonna say when a customer says "no"?
Butt-head: Uhhhh, I'd say, "blah blah blah blah blah-leuuuh-luh!"
Beavis: [in imitation again] Blah blah blah blah, what do you say when a customer says no? You seem to know it all! Blah blah blah-blah-blah-blah!
Mr. Candy : They're a real bargain at only $2 each. Heck, they practically sell themselves! Now, what if I told you that the richest man...
Butt-head : [mockingly] Blah blah blah blah blaaah bluhhh-ehhh!
Beavis : [in imitation] Blaaaah-blaaaah, heck, they practically sell themselves, ehhhh!
Mr. Candy : Well, you two seem to be real know-it-alls. Why don't you tell us what you're gonna say when a customer says "no"?
Butt-head : Uhhhh, I'd say, "blah blah blah blah blah-leuuuh-luh!"
Beavis : [in imitation again] Blah blah blah blah, what do you say when a customer says no? You seem to know it all! Blah blah blah-blah-blah-blah!
http://www.tv-quotes.com/shows/beavis-and-butt-head/quote_35977.html