For everyone's interests, even those without children or who teaches young students.

Here is a list of acronyms that are being used by teenagers and others, on the internet.
I'm not sure, if that is everything but you can add more if you like.

1. IWSN - I want sex now

2. GNOC - Get naked on camera

3. NIFOC - Naked in front of computer

4. PIR - Parent in room

5 CU46 - See you for sex

6. 53X - Sex

7. 9 - Parent watching

8. 99 - Parent gone

9. 1174' - Party meeting place

10. THOT - That hoe over there

11. CID - Acid (the drug)

12. Broken - Hungover from alcohol

13. 420 - Marijuana

14. POS - Parent over shoulder

15. SUGARPIC - Suggestive or erotic photo

16. KOTL - Kiss on the lips

17. (L)MIRL - Let's meet in real life

18. PRON - Porn

19. TDTM - Talk dirty to me

20. 8 - Oral sex

21. CD9 - Parents around/Code 9

22. IPN - I'm posting naked

23. LH6 - Let's have sex

24. WTTP - Want to trade pictures?

25. DOC - Drug of choice

26. TWD - Texting while driving

27. GYPO - Get your pants off

28. KPC- Keeping parents clueless

I found this article here, if you care to read.

http://edition.cnn.com/2014/12/08/living/internet-acronyms-every-parent-should-know/index.html?hpt=hp_c3