What is tysm?

"TYSM" is an abbreviation commonly used in digital communication, especially in text messaging and online chats. It stands for "Thank You So Much." This expression is often used to convey gratitude in a casual or informal manner. The abbreviation is part of a range of shorthand terms frequently used to save time and effort when typing. Like many internet slang terms, it's popular in social media interactions, where brevity is often preferred.