Mister Micawber.Am I getting close?
My word has only two letters that are repeated, and those are back-to-back consonants.
In addition, the first and last letters are mirror images of each other.
Grammar GeekA concrete noun?
(I just had to make sure you weren't referring to a spelling bee.)
Buzzword was my word.
Your turn to pick.
If so, would one of these fit in a bread box?