idk: I don't know wyd: what are you doing?
idc: I don't care STFU: shut the f*ck up
Istg: I swear to god TL;DR: too long, didn't read
LMK: let me know tbh: to be honest
brb: be right back TTYL: talk to you later
Lmao: laughing my @$$ off FAQ: frequently asked question
Np: no problem ILY: I love you