Meaning of ﾉｼ（ノシ noshi）

“ﾉｼ” is a kind of Emoji.
We use it when we want to say “good-bye”.
It’s a half-width character of “ノシ(noshi)” which doesn’t have meaning.

Look this again.
This is a image of waving a hand.

Look this
　ﾉ
as an arm.
And the two line between ﾉ and ﾉ is trajectory

See!

ﾉｼ

Can you understand??