Turk: I've only done that, like, twice in my whole life.
JD [casually]: Yeah, me too. [in usual JD voiceover:]. If by "my whole life" you mean SINCE I GOT HOME.
Ah, it's all in the delivery. And Zach Braff's delivery of just about everything is pretty damn funny.
But let's not forget "British" janitor! Impressing The Todd with crumpets and the word "Sussex"! And doing the Robot! Man, that programme rocks.