>>He really should try married words.
>>
>>Did you like my pregnant pause in response.
>
>This brings happy memories from high school... the regular remark, when someone says something stupid was "can't blame him... it's the mother Nature. ...And the cartoonist father."
>
>(cartoon as in caricature, not animated movie nor comic strip)

You'll be dismayed to know that it's also a preparatory design, drawing, or painting (as for a fresco), e.g. Leonardo's sketches.