On my forum we had longer discuss how people are reading that: 
Well, it varies so much it is actually useless because of that.
And then we have very widely known example: 
It just doesn’t matter what hoovering or long presses gives. Definitions will be wrong and/or outdated, or culturally just wrong.
practical joke of a IT-guy from Facebook (or sign of US-style thinking 😏
Emoji (y) had very special meaning until Facebook changed it to 
and one has dirtier imagination that joke is hilarious.
Point is… we should not try explain emojies ever and textforms are debatable