[Batpuff]

This was funnier in the movie but i liked it

Mike Lowery, Marcus Burnett: [singing] Bad boys, bad boys what ya gonna do? What ya gonna do when we come for you?
Mike Lowery: [Marcus starts singing the verse] Dude, you gotta learn the words.
Marcus Burnett: We usually only do the chorus.

Mike Lowery: It ain't exactly a pool, man. It's like a big-ass puddle wrapped in blue plastic.

Marcus Burnett: [on seeing a rat] Oh, shit. These ain't normal rats.
Mike Lowery: What my partner means is that these are a special breed called umm...
Marcus Burnett: Big mother****ers.

Mike Lowery: Crash the ambulance into the mortuary now.
Detective Mateo Reyes: [over radio] No way. I'm not getting suspended again.
Mike Lowery: I'm gonna whoop your asses if you don't crash that ambulance into the mortuary now.

Marcus Burnett: Mike! There's a papa rat humping the shit out of this mama rat. No, he's straight pile-driving her!
Mike Lowrey: Now how is that information gonna help me do my job?
Marcus Burnett: They **** just like us!

Marcus Burnett: Police! Pull over! Stop the car!
Mike Lowery: Not your badge, man! He has a gun, shoot him!

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[after decimating the gang with gunfire]
Mike Lowery: Now show 'em your badge!

These are from Bad Boys II