A final, uncompromising demand for anal intercourse issued by a boyfriend or girlfriend to a boyfriend or girlfriend, the rejection of which leads to a severance of relations.
Boyfriend: "It has been three years and alls I wants is to snake on up there. In and out. Real quick like."
Girlfriend: "There is no way I am letting you ass fuck me. Fuck your own ass or shit on your hand and whack off!"
Boyfriend: "I didn't want it to have to come to this but you have left me no alternative. I am issuing you an ultimanal - either we have anal sex or it is over."
Girlfriend: "Fine."
Girlfriend: "There is no way I am letting you ass fuck me. Fuck your own ass or shit on your hand and whack off!"
Boyfriend: "I didn't want it to have to come to this but you have left me no alternative. I am issuing you an ultimanal - either we have anal sex or it is over."
Girlfriend: "Fine."
by D-balm May 23, 2008
He treats her so well she says he's her Ultiman for life.
Knight in Shining Armor Prince Dreamboat Hero Soul mate
Knight in Shining Armor Prince Dreamboat Hero Soul mate
by Aurora Blew February 12, 2017