Related Clues:

• Socially challenged?
• Short in the pot
• Short by
• Unlikely to make advances
• Slow to mingle
• Uncomfortable in singles bars
• Vault, bound
• Get visibly startled
• Checkers maneuver
• "Too ___" (Kajagoogoo)
• Pointer Sisters "He's So ___"
• "Once Bitten, Twice ___"
• Timid Ani DiFranco song?
• Great White "Once Bitten Twice ___"
• Make like a celebrated Calaveras County frog