Defined as when you drink to much you loss feeling in your butthole. It's like whiskey dick but for the butthole.
Last night I got really drunk and decided to try anal for the first time because I got whiskey butthole.
It's like when guys get whiskey dick from drinking to much, girls get whiskey butthole from drinking to much. So it won't hurt when you have anal.
Hey baby girl let's do anal, "alright I drink a bunch of tequila so I'll have whiskey butthole."