1. After the ninja popped the biggest boner he had ever seen, bigger than the biggest, blackest boner, he wailed on his guitar and said "That was fucking bonerific"
2. YO, I was choking off the other night and I hit my fucking ceiling. It was boooooonerrrrrifiic!
something that is sexually terrific like a naked women sucking your weiner and making animal noises. or if your a real pervert you could just say it when you see something you like.