have (someone) pegged

mainly American

to know exactly what kind of person someone is.

He thinks we're all taken in by his charm, but I've got him pegged.

• in high dudgeon
• in high gear
• in his infinite wisdom
• in his wisdom
• in hock
• in hopes of
• in hopes of doing something
• in hot pursuit
• in hot pursuit of
• in hot pursuit of someone
• in hot pursuit of something
• in hot water
• in hour of need
• in infinite wisdom
• in inverted commas
• in its infinite wisdom
• in its prime
• in its wisdom
• in jeopardy
• in jest
• in just a minute
• in just a moment
• in keeping with
• in keeping with something
• in kind