dilly of a pickle

it's a problem or something that stumps you.

Dave:how do we get that cat down from the tree?

Lyndsay: I'm not sure, that's a dilly of a pickle!

Dilly Pickled

The act of using your "D" to beat your opponent on the face while they are asleep.

Yooo! I got so cheesed at him, I Dilly Pickled him on the face several times.