In the 1980 movie Airplane, there are two memorable scenes in which two guys (and in the later scene, an older woman) speak "Jive" to each other. The transcripts of the scenes in question are below, from IMDB;
First Jive Dude: Shiiiiit, maaaaan. That honky muf' be messin' mah old lady... got to be runnin' cold upside down his head, you know?
Second Jive Dude: Hey home', I can dig it. Know ain't gonna lay no mo' big rap up on you, man!
First Jive Dude: I say hey, sky... subba say I wan' see...
Second Jive Dude: Uh-huh.
First Jive Dude: ...pray to J I did the same-ol', same-ol'!
Second Jive Dude: Hey... knock a self a pro, Slick! That gray matter backlot perform us DOWN, I take TCB-in', man!
First Jive Dude: Hey, you know what they say: see a broad to get dat booty yak 'em...
First Jive Dude, Second Jive Dude: ...leg 'er down a smack 'em yak 'em!
First Jive Dude: COL' got to be! Y'know? Shiiiiit.
Randy: Can I get you something?
Second Jive Dude: 'S'mofo butter layin' me to da' BONE! Jackin' me up... tight me!
Randy: I'm sorry, I don't understand.
First Jive Dude: Cutty say 'e can't HANG!
Jive Lady: Oh, stewardess! I speak jive.
Randy: Oh, good.
Jive Lady: He said that he's in great pain and he wants to know if you can help him.
Randy: All right. Would you tell him to just relax and I'll be back as soon as I can with some medicine?
Jive Lady: [to the Second Jive Dude] Jus' hang loose, blood. She gonna catch ya up on da rebound on da med side.
Second Jive Dude: What it is, big mama? My mama no raise no dummies. I dug her rap!
Jive Lady: Cut me some slack, Jack! Chump don' want no help, chump don't GET da help!
First Jive Dude: Say 'e can't hang, say seven up!
Jive Lady: Jive-ass dude don't got no brains anyhow! Shiiiiit.
Does anybody here speak Jive? What is actually being said during these scenes?