Whatefuckver
The combination of the words "fuck" and "whatever" which implies a total lack of interest for any given topic.
Her: I saw your ex dating Joe yesterday...
You: Whatefuckver, i couldn't care less about her as i'm banging her soon-to-be-ex-bff now, hah!
Teacher: I'm now ready to hand out last exam's results...
Brat: Whatefuckver douche!
You: Whatefuckver, i couldn't care less about her as i'm banging her soon-to-be-ex-bff now, hah!
Teacher: I'm now ready to hand out last exam's results...
Brat: Whatefuckver douche!