Where do I begin. If you get called hotaf then your name is probably Abby. Abby's are extremely beautiful and caring. They are the hottest in their friend group and many boys want her. if you are the lucky guy to get a Abby then don't lose her. Hot af is equivalent to Abby or Susan straight facts.
Boy 1: God damn that new girl is hot af.
Boy 2: omg ya she is.
Boy 3: I heard her name is Abby.
Someone who has surpassed and mastered all levels of asshole-ery, usually a biomedical engineering student with a butt chin who always has an appetite for redlobster.
Bro you should have seen how she hoed that Bengali dude, she must definitely be an afhol.