hold (your) horses

wait.

Hold your horses, Colin, I'm working as fast as I can!

Usage notes: usually used as an instruction, as in the example

• lay off
• lay off something
• lay of the land
• lay on
• lay on someone
• lay on the line
• lay open
• lay open to
• lay out
• lay out something
• lay over
• lay someone low
• lay someone off
• lay someone open to something
• lay someone to rest
• lay someone up
• lay something at door
• lay something at someone's door
• lay something on
• lay something on someone
• lay something on the line
• lay something open to
• lay something to rest
• lay the blame on
• lay the blame on someone