Related Clues:

• Half a minute or less
• Not major
• Finishes off mine, ore being insignificant
• Not of legal age
• Dan 'Slamfoot' --, jazz trombonist with Count Basie's band
• Little-known part of domino rules
• The samurai flailing around in a somewhat inexpert manner
• The samurai could be surprisingly incompetent
• An associate university teacher backing husband is inept
• One hasn't reached legal majority
• Bouncer's bouncee
• A child
• Ineptly done
• One with a fake ID, maybe
• Unimportant section of domino rules