smack·down 
(smăkdoun′)
(smăkdoun′)n.
1. A vehement or heated confrontation: "[It was easy] to dismiss the whole affair as just another Red-Blue partisan smackdown" (Howard Fineman).
2. A contest or comparison, especially one in which one side is expected to outclass the other: a smackdown between schools to see which one can reduce energy consumption the most.
- crossbeam
- crossbill
- crossbody
- crossbones
- crossbow
- crossbowman
- crossbred
- crossbreed
- crosscheck
- cross-country
- cross-country skiing
- crosscourt
- cross cousin
- cross-cultural
- cross-culturally
- crosscurrent
- crosscut
- crosscut saw
- crosscutting
- cross-dress
- cross-dresser
- cross-dressing
- crosse
- crossed eyes
- cross-endorsement