Possible Clues:

• Scream ''#@$%!''
• Say '#@$%!'
• Promise (on oath)
• Not just say
• Declare it's some corn from Cornwall?
• Use vulgarities
• Express annoyance, having to contribute to this box?
• Put on at last a language that's bad
• Three out of four players going to Arkansas state with conviction
• "Solemnly" follower