Wordnet 3.0
ADJECTIVE (1)
1.
resoundingly successful and popular;
- Example: "for years he was a boffo box office certainty"
The Collaborative International Dictionary of English v.0.48:
boffo \bof"fo\ a.
highly successful; superbly well done. [slang]
[PJC]
The Collaborative International Dictionary of English v.0.48:
boff \boff\, boffo \bof"fo\n.
1. (Theater) a hearty laugh.
[PJC]
2. (Theater) a joke or gag line that produces hearty
laughter.
[PJC]
3. (Theater) something very successful, especially a
box-office hit.
[PJC]
WordNet (r) 3.0 (2006):
boffo
adj 1: resoundingly successful and popular; "for years he was a
boffo box office certainty"