What does Alabama Thunder Slam mean?

Alabama Thunder Slam meaning in Urban Dictionary

A sexual act in which a man sits from the face of a woman, masterbating while she licks the inside of his asshole. Before orgasm the person begins furiously slamming regarding the girls face together with buttocks inside her nose pauses. Then he must ejaculate inside her broken nostrils. It isn't the Alabama Thunder Slam unless he then victoriously exclaims "Alabama Thunda Slam!"