The act of putting hot nacho cheese into one's anus and proceeding to squeeze it out unto nacho chips to enjoy.
"Man i'm hungry lets go make some nacho anus."
nachos served piping hot from the anus
Waiter: "your order sir?"
Hakko: "ill have the nacho anus please"
Waiter: "wise choice sir"
*waiter bends over revealing a nacho anus*