Fucking obnoxious. Like fugly is a combination of 'fucking' and 'ugly', it is a combination of 'fucking' and 'obnoxious'.
"My sister is so fubnoxious, she's driving me crazy."
by Joe Baum June 29, 2006
1 more definition
The thin line between fun and obnoxious
Erica had the mic, was drunk and singing loudly and was acting fubnoxious.
by peaceful1 February 25, 2012