tight as a drum

English

Adjective

tight as a drum (not comparable)

1. (simile) Completely tight.
   • 2019 August 15, Bob Stanley, “'Groovy, groovy, groovy': listening to Woodstock 50 years on – all 38 discs”, in The Guardian‎^[1]:

     Sly and the Family Stone sound entirely futuristic – like everyone else they have malfunctioning gear, but they “hurry up and play to avoid hanging you up”. Bang! Straight into Sing a Simple Song. Tight as a drum. Everyday People, a No 1 hit just a few weeks earlier, is a festival high point.

2. Wholly free from leaks, cracks, etc.

   This boat is tight as a drum.