Wiktionary
asscrack
n. (alternative spelling of ass crack English)
Usage examples of "asscrack".
Melanie said ruefully as she stuffed as many bills as she could behind the strip of fabric that covered her asscrack.
The effect of this was to pull the velvet rope deep into Candy's asscrack.
I released him from my mouth and began to soap up his cock again, and then I turned around and presented my bottom to him, sliding the bar of soap along my asscrack until I was nice and slick.