An abbreviation for "In all seriousness though", so basically just a lazy method of swinging the conversation back after going off on a tangent. Sort of common text speak.
1. That party last night was so fucking insane!
2. Yeah, lol. IAST I think it went a bit far when the ambulance showed up to stomach pump Sarah.
1. Lol, IKR
2. Yeah, lol. IAST I think it went a bit far when the ambulance showed up to stomach pump Sarah.
1. Lol, IKR
by linxie April 17, 2014
Get the IAST mug.@iastrox is a Genshin Impact player who comforts people on TikTok. They're incredibly dumb but super nice.
1: “Hey have you heard of iastrox?”
2: “Who?”
1: “The person who’s always nice for no reason silly!”
2: “Who?”
1: “The person who’s always nice for no reason silly!”
by cheezestickz February 21, 2021
Get the iastrox mug.