A texting acronym, meaning "that made me smile". Similar to lol, but for in those situations when you did not laugh, but instead smiled. You can use with lol or by itself.
Friend: I just saw a cute dress, and I thought of you.
You: aww thanks, TMMS.
Friend: I just heard my bunny laugh!
You: lol, tmms
The Most Mysterious Song on the Internet
A lost song who's search has been going for 17 years.
If you have ideas, post them to r/TheMysteriousSong.
SHAZAM AND SIMILAR DOES NOT WORK!
DO NOT USE THE EXAMPLE SENTENCE ON THE SUBREDDIT
I think TMMS is from <place here>