Up the duff

[Aperitif]

Actually that requires very little in the way of explanation. It's just that the explanation is not likely to be well received.

Donny Osmond sang (?) about Puppy Love. Maybe there's a connection?

 

[ufkacbln]

Like, "It is a grudge prgnancy. Someone had it in for you while you were away." ?

I am trying to work out whether that sentence is literal. or metaphorical