off the peg

Meaning

1. made to a standard average size and not made especially to fit you

   He buys his clothes off the peg.

In the movies · 1

• By which I mean, a bespoke suit. Never off-the-peg.Kingsman: The Secret Service2014

From the same entry

• bring down a peg
• a peg to hang on
• a square peg
• be level pegging
• peg away
• peg back
• peg out