Related Clues:

• Like cool cats
• With it, '40s-style
• Wonderful, in rapspeak
• Cool, in old slang
• Excellent, in slang
• Cool, to jazzmen
• Not squaresville
• Excellent, in street talk
• Like jazz musicians
• Word in a cadence
• Like a jazz cat
• Admirable, hip-hop-style
• Plugged in
• Savvy about (with ''to'')
• Cool, to a bebopper