Take a biggggg bite, smile and say "Excuse me, I have to work on the Pensky file!" Then go into your office and spit in in the gargage. Works for me!
This reminds me of one of many random, obscure, and useless pieces of trivia that occupy the majority of my memory:
Mel Blanc provided the voice of Bugs Bunny for a time. Mel couldn't STAND the taste of carrots, which were necessary to execute the trademark line of "What's up, Doc?" He tried other vegetables like celery, etc., but nothing quite made the right sound.
So, Mel would take a bite of carrot at the appropriate point during the dialogue, chew into the mic, and then spit the masticated carrot into a bucket.
This concludes my thesis on "Merrie Melodies."