a slip of the pen

Meaning

1. a slip of the pen / tongue

   a small mistake in sth that you write or say

   Did I call you Richard? Sorry, Robert, just a slip of the tongue.

From the same entry

• let slip
• let slip
• slip your mind
• slip one over on
• slip through the net
• out of gear
• roll off the tongue
• slip away
• slip out
• slip up
• give the slip
• a slip of a boy, girl