STSU is an abbreviation commonly used in casual texting and online communication. It stands for “Same To Same You”, and is typically used as a quick reply when someone gives you a compliment, wish, or kind words.
Instead of writing a full sentence, people use STSU to reflect the same feelings back to the sender.
Origins of STSU
The exact origins of STSU are not tied to any specific platform, but it became popular in online chatting and social media, especially among younger users.
The abbreviation grew as part of text-message culture where people shorten phrases for faster, more convenient replies while keeping the tone light and friendly.
How to Use STSU in a Sentence?
People usually use STSU as a direct response in texting when they want to mirror someone’s compliment or greeting. It keeps the conversation casual and reciprocal.
Here are five examples:
- “Happy Birthday, bro!” → “Thanks! STSU for your big day too.”
→ Used to wish the same happiness back. - “You’re the best friend ever!” → “Haha STSU!”
→ Returning the compliment with the same energy. - “Good luck with your exams!” → “Appreciate it! STSU for yours.”
→ Showing support by sending good wishes back. - “Wishing you lots of success this year.” → “Aww, STSU!”
→ Reflecting positive wishes back warmly. - “You always motivate me.” → “STSU, you inspire me too!”
→ Mirroring encouragement in a friendly way.

Pronunciation of STSU
Pronounced as: es-tee-es-you (placeholder for audio pronunciation).
Words Similar to STSU
- TTYL (Talk To You Later): A common sign-off in texting.
- BRB (Be Right Back): Used when stepping away briefly in an online chat.
- ILY (I Love You): Short form of expressing affection quickly.
- HBD (Happy Birthday): A shorthand greeting often used in text messages.
- TYT (Take Your Time): A polite abbreviation suggesting patience.