1. (noun) The one pubic hair that sticks to your tongue as you are going down on your partner,, that you just cant get off of there.
2. (adj) The act of licking a girls unshaved pussy, wanting to get her pubic hair in your mouth, and stuck on your tongue.
1. Dude! That girl's pussy was smooth as silk! I have no clue how I got the Hairtongue! Still do!
2. Man,, that chick has one sexy ass shrub down there! I'm gonna Hairtongue the Hell out of that thing!