I have a lot of plates up in the air

Heard on a conference call, this is a great congruent conflation of “a lot of balls in the air” and “a lot on my plate”, both meaning having a great deal or too much to deal with.  My guess is that the speaker was also thinking not only of ball juggling but also plate spinning, both common juggling acts.  Thanks to John Costello for hearing this one and passing it on!