Put your thumb on the underside of your fingers and mush them
all together. Next hold them down on or near the palm of your
non-dominant hand. Now move your dominant hand forward as if it is
the nozzle of a vacuum cleaner sucking up dirt. Get into it a
bit eh? Make the face. Have a good time. If you are going to vacuum
you might as well enjoy it.
If you want to say something to the effect of "He was vacuuming..."
(and it is obvious that you are talking about vacuuming) you could
just mime holding the handle of an upright vacuum and pushing it
forward and back a couple of times. (Basically miming the act of
You can learn
American Sign Language (ASL) online at American Sign Language University ™
ASL resources by Lifeprint.com © Dr. William Vicars