Assquaintance
Two people or more who send each other booty pics. The relationship has not established the people involved as friends, but closer to acquaintances.
Dude, she sent me a booty pic; we're definitely assquaintances now.
assquaintance
Similar to an acquaintance except you have sex with them.
No, I don't know where she lives. We aren't really friends she is just an assquaintance of mine.