Yeah, man. My grandmother plays better than I do.

5 seconds sound clip from the Space Jam movie soundboard.

You can hear this line at 01:15:31 in the Blu-ray version of the movie.

Quote context

[...]

- Where is Michael?

- Oh, he's not back from his other game.

- What other game? Uh-uh. What other game?

- Ladies and gentlemen... Michael Jordan.

- Guys, we suck.

- Yeah, man. My grandmother plays better than I do.

- At least you guys are still tall. I'm nothing now. Just another short guy.

- You got that right.

- That's the only thing you got right.

- Who's that?

- I don't know.

- Been getting your butts kicked, haven't you?

[...]