When you are on stage, but in the background or off to stage left or right and are supposed to be carrying on a whispered/background conversation you continue to repeat "peas and carrots" to each other so the audience sees the lips moving, and can hear the psst-pssts, but cannot understand what you are saying.
Mailman: "peas n carrots peas n carrots peas n carrots peas n carrots" <looks over to Mr Bernard at stage center>

Mrs. talkstoomuch: "peas n carrots peas n carrots peas n carrots peas n carrots" <places hands on hips>
by stagecrew243 December 18, 2008
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peas as in 'peace' adding carrots to the mixture
person a: bye
person b: peas n carrots
by caitlin February 26, 2005
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