People in movies always come up with great lines at the best moments.
Try and emulate that in the dramatic moments of your games, with spur-of-the-moment quips.
Because even when you fail to think of something awesome, and you will, the results are at least amusing.
Transcript
{Troopers speeding away, with Luke and Leia in hot pursuit}
[SFX]: Zoooooooom!! Zoooooooom!!
[SFX]: Zoooom!!
Leia: Force Suggest them! That'll stop this quickly.
Luke: I've got a better idea. Get beside that one.
Leia: You got it.
[SFX]: Zoooom!!
Luke: Force Jump! 13!
Luke: I throw the trooper off.
[SFX]: throw... Whack! {trooper hits a tree}
[SFX]: Zoooom!!
Luke: Now we've both got a bike.
Leia: Let's ride!
Luke: Gun it!
Leia: We talkin' or we racin'?
{beat}
Luke: I've just got to come up with one more good line, then we're racin'.