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A very annoying replacement for "hold your horses", "calm yourself", "chill out, dude".

A phrase that is used to one's friend when they are

a) having a panic attack
b) freaking out about something pointless
c) worried / anxious / nervous
d) in a hurry and are constantly annoying you to move faster
"Dude, I think my girlfriend is breaking up with me!"
"Calm your ponies, she's probably just PMSing"

"Wow, can you please like, hurry up? I don't have all day."
"Hey calm your ponies, I'm working on it."
by fafoyojo March 12, 2010
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