throwdown 
noun informal
A performance by or competition between DJs, rappers, or similar artistes: a funky hip-hop throwdown...
- Jump in the lift, hit the top floor, run into my man Word Perfect, and there I am in the midst of a weeknight hiphop MC freestyle throwdown.
- He's talking about his new weekly hip-hop throwdown, Monday Night Blackout at the Khyber.
- In lofts, basements and other clandestine locations, grandiose throwdowns were holding sway over a new generation of pill-popping rhythmaholics.
- Diamond Head
- diamondiferous
- diamond in the rough
- diamond jubilee
- Diamond, Neil
- diamond plate
- diamond python
- diamond rattlesnake
- Diamond State
- diamond wedding
- diamond wedding anniversary
- diamond willow
- diamorphine
- diana
- Diana monkey
- Diana, Princess of Wales
- Dianetics
- dianthus
- diapason
- diapause
- diapedesis
- diaper
- diaper rash
- diaphanous
- diaphone