Thai Slang You Won't Find in a Textbook

Why Slang Matters

Textbook Thai makes you sound like a 1950s news anchor. Polite, correct, and completely unnatural.

Real Thai—the kind you hear in coffee shops, LINE chats, and between friends—is full of slang, shortcuts, and expressions that textbooks ignore.

Learning slang doesn’t make your Thai “worse.” It makes it sound human.

If you’re still weighing up how hard Thai actually is, this is the half nobody warns you about — the gap between correct Thai and natural Thai.

Everyday Slang

555 (hahaha)

The number 5 in Thai is “ha.” So 555 = “hahaha.” You’ll see this constantly in texts and social media.

อิอิ (ii ii)

A cutesy giggle. More playful than 555.

กิ๊ก (gik)

Someone you’re not officially dating, but… you know. A “thing.”

แซ่บ (saep)

Delicious, but with more enthusiasm. “That som tam? Saep mak!” (So good!)

ชิล (chill)

Borrowed from English. “Chill chill” = relaxed, no rush.

โอเค (okay)

Also from English. Universal.

Texting Shortcuts

ม่ะ (ma)

Short for ไหม (mai) - the question particle. “Pai mai?” becomes “Pai ma?”

ป่ะ (bpa)

Short for รึเปล่า (rue bplao) - “or not?” Makes sentences shorter.

เหรอ (roe) → เรอะ (roe) → เรอ (roe)

“Really?” Gets shorter and more casual as you go.

55+ or 5555555

More 5s = more laughing. The + means “and more.”

Reactions & Expressions

เว่อร์ (woe)

Over the top, dramatic, extra. “Don’t be so woe.”

บ้าบอ (baa bor)

Crazy, insane (but in a fun way). “That party was baa bor.”

หลอน (lorn)

Creepy, unsettling. “That movie was lorn mak.”

ซี้ปึ๊ก (see bpuek)

Very close friends. BFFs.

ดีใจจุง (dii jai jung!)

“So happy!” The จุง adds emphasis.

Informal Pronouns

Textbooks teach กู/มึง (goo/mueng) as vulgar. And they can be. But among close friends, especially guys, they’re completely normal.

กู (goo)

“I/me” — very informal, used between close friends.

มึง (mueng)

“You” — same deal. Don’t use with strangers.

เค้า (kao)

“They/he/she” — softer than เขา (khao). Very common.

หนู (noo)

Literally “mouse.” Girls often use this for “I” when talking to older people.

Warning Labels

Don’t use กู/มึง with:

People you just met
Anyone older than you
In professional settings
With your Thai partner’s parents (please)

Do use them with:

Close Thai friends (once they use them with you first)
When you want to sound like you actually speak Thai

Where to Learn More

Slang changes fast. What’s cool today might be outdated next year.

Best ways to stay current:

Watch Thai YouTube/TikTok
Follow Thai Twitter
Chat with Thai friends
Use Talk Thai’s culture features (we update with current slang)

The more you immerse yourself, the more natural your Thai will sound.

Two things make slang land properly: clean tones (see Thai Tones Explained) and enough everyday phrases to keep a conversation going (start with ordering street food).

One More Thing

Learning slang shows Thais you’re serious about the language. It’s the difference between “tourist Thai” and “I actually live here Thai.”

Just… maybe don’t use กู with your Thai teacher. 555