Means "that's what's up" which means that's what's good. If someone says "That's def up then it means that it's what's cool or phat or tight or sometimes in style.
by JayXSta December 15, 2004
Get the Def up neck gaiter and mug.
Apr 21 trending
- 1. Watermelon Sugar
- 2. Ghetto Spread
- 3. Girls who eat carrots
- 4. sorority squat
- 5. Durk
- 6. Momala
- 7. knocking
- 8. Dog shot
- 9. sputnik
- 10. guvy
- 11. knockin'
- 12. nuke the fridge
- 13. obnoxion
- 14. Eee-o eleven
- 15. edward 40 hands
- 16. heels up
- 17. columbus
- 18. ain't got
- 19. UrbDic
- 20. yak shaving
- 21. Rush B Cyka Blyat
- 22. Pimp Nails
- 23. Backpedaling
- 24. Anol
- 25. got that
- 26. by the way
- 27. Wetter than an otter's pocket
- 28. soy face
- 29. TSIF
- 30. georgia rose
