Lewis Short
ŏfella (noun F) : dim.offa
* A bite, bit, mouthful, morsel (post-Aug.).
* Lit., Juv. 11, 142; Mart. 10, 48, 15; 14, 221, 1; Prud. στεφ. 10, 383.
* Transf., a little piece or bit, Ser. Samm. 46, 840.
Charlton T. Lewis, Charles Short, A Latin Dictionary