J.a.f.o. Edit Meaning

1. it means to put effort into something. "That was a very effortious task!" See tiring, arduous, taxing, tough..

1. Performing very well, especially musically. Herbie Hancock was killin' at the club last night! See smashing, rippin, on fire 2. ..

1. Someone makes a phrase or does something completely bizerk or crazy A husband tells a wife he's getting a prenumptual agreement af..