When something is very deep. Usually in reference to the depth of snow. Or the depth being equivalent to the distance from the ground to a 9 foot Indian's butthole.
When, after fucking acoke addict, you take off your used condom and slide it through the hole in their nose.
Friend 1: “Yo last night I fucked this homeless bitch and she had a gap in between her nostrils.”
Friend 2: “So you gave her the old Crack-hole special?”
Friend 1: “Yup, I didn’t even pay her the money she asked for after.”