BFHO
BFHO is an acronym for Big Fucking Hard On. A popular expression in the 1960's, BFHO was a form of sarcasm meaning that something thought to be a big deal was nothing to get excited about at all.
Dude 1: I got the job at McDonalds!
Dude 2: BFHO
Dude 1: You're right, BFHO
Dude 2: BFHO
Dude 1: You're right, BFHO