could be written on the back of a postage stamp

English

Alternative forms

• could fit on the back of a postage stamp

Etymology

Due to the very small size of a postage stamp.

Phrase

could be written on the back of a postage stamp

1. (figuratively) Something that is very small or limited.
   • 2008, Sam Baker, Deadly Beautiful:

     Something classical that Annie couldn't immediately place, which was hardly surprising given that what Annie knew about symphonies could be written on the back of a postage stamp.