LQTM
Updated: 05/05/2017 by Computer Hope
LQTM is an abbreviation for "Laughing Quietly To Myself". It is considered slang and often used when chatting with other people.
In chat programs and text messages, people often use shorthand, or abbreviations, to send messages quicker with less typing. LQTM is just one of many abbreviations used in chats and texts.