The sign for "wine" uses a slight rotational movement, (up, back,
down, forward).
There is another popular variation that just moves the hand up and down an
inch or two.
Both variations maintain contact with the lower right cheek (near the
chin).
WINE:





How old do you have to be to purchase wine?
= "BUY WINE, MUST how-OLD?"
Notes:
A lot of of people do this sign with the "W" a little higher on the
cheek. (With the thumb/pinkie near the cheek.)
Note:
If you do this sign with a "B" handshape--it can mean "beer."
See:
BEER