Related Clues:

• Hardly squaresville
• Femur terminus
• Syllable in cheers
• "Hooray!" preceder, when repeated
• Aware, in slang
• In the know, in old slang
• Lead-in for cat
• Often-replaced joint
• Large joint
• Replacement part?
• In the know, daddy-o
• Not square, once
• Holster's location
• Haunch
• With it, old-style