Def Leppard's "Love Bites" has a voice with heavy vocorder effect muttering "bloody hell" in the fadeout. I don't know what he's compleining about exactly.
On Metallica's Live $@#&: Binge and Purge, in one of the videos, Jason Newstead hit's (and holds) a sour node toward the end of his bass solo. You can him wince, pause for just a moment, and then he walks down the scale to get back in the correct key. It's right before the other guitars walk back onstage and join him.
On the live version of Procol Harum's "In Held 'Twas In I",
at the end of the "Twas Teatime at the Circus" part, instead of singing "although the crowd clapped desperately..", Gary Brooker sings "although the cloud crapped desperately."