released the crackitch
When your butt crack, or butthole itches so bad you're afraid to scratch it because if you do you won't be able to stop because it feels too good.
Wife: Honey will you please stop scratching your butthole in front of me, it's gross. Some things should just be kept to ourselves.
Husband: I can't now, I've already released the crackitch.
Husband: I can't now, I've already released the crackitch.