LOL – Laughing out loud YOLO – You only live once ROFL – Rolling on the floor laughing STFU – Shut the fuck up LMK – Let me know ILY – I love you LMFAO – Laughing my freaking ass off NVM – Never mind IKR – I know right OFC – Of course You can find a huge list of texting and online chat abbreviations on this site: https://www.webopedia.com/quick_ref/textmessageabbreviations.asp