To
close something quickly.
Also, the act of snapping one's
fingers. This is accomplished by pressing the
middle finger and
thumb together, then jerking the
thumb aside to allow the
middle finger to strike the
palm.
Practice!
Also, something that is very
easy.
Also, the act of a
center putting the
football in
play from its position on the
ground by quickly passing it between his
legs to the
quarterback.