Related Clues:

• Trolley guides
• Tram supporters
• Complains about, with ''against''
• Complaints mature in case of grievances
• Bars under a bar car
• Reacts to bad jokes by playing organs
• Sleeper's path
• Bellyaches or complains
• Reactions to corny puns
• Strongly regrets
• Perimeter of a billiards table
• Roller coaster track makeup
• Shower safety fixtures
• Upbraids, with "at"
• Feels fretfully discontented