Related Clues:

• Confound
• Filibuster
• Stymie
• "Our Gang" member
• Block up
• Hinder progress
• Get in the way of
• Keep from progressing
• Throw up a stumbling block
• Friend of Spanky and Alfalfa
• Rascal in a derby
• Thoroughly frustrate
• Stonewall, say
• Do some thwarting
• Completely stump