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
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