[After mistaking a horse for a cow, they learn to identify cows by 'those fingers next to their butt that you squeeze to get like, milk and stuff']
Beavis: Heh heh, hey Butt-head, squeeze my finger.
Butt-head: Which one, Beavis? The finger by your butt?
Beavis: Heh, yeah! Pull that one.
Butt-head: [sings] Old MacDonald had a farm, E...uhh, I? Z? Is there, like, a Q in there?
Beavis: Yeah, heh heh, [sings] E-I-Q...uhh, Z...M.
Beavis: Heh heh, hey Butt-head, squeeze my finger.
Butt-head: Which one, Beavis? The finger by your butt?
Beavis: Heh, yeah! Pull that one.
Butt-head: [sings] Old MacDonald had a farm, E...uhh, I? Z? Is there, like, a Q in there?
Beavis: Yeah, heh heh, [sings] E-I-Q...uhh, Z...M.
[After mistaking a horse for a cow, they learn to identify cows by 'those fingers next to their butt that you squeeze to get like, milk and stuff']
Beavis : Heh heh, hey Butt-head, squeeze my finger.
Butt-head : Which one, Beavis? The finger by your butt?
Beavis : Heh, yeah! Pull that one.
Butt-head : [sings] Old MacDonald had a farm, E...uhh, I? Z? Is there, like, a Q in there?
Beavis : Yeah, heh heh, [sings] E-I-Q...uhh, Z...M.
http://www.tv-quotes.com/shows/beavis-and-butt-head/quote_35831.html