It means a girl wants the dick.

used in a way to flirt. the person who sent you this wants to start a conversation and gets excited when they think of messaging you! they're quite a flirt

they wanna fuck

An insanely silly, customary greeting used in lieu of the oh-so-boring, typical “hello.” This ridonkulous introductory welcome, frequently used in conversational exchange between good friends, requires an immediate, retarded echo reply, along with a two-second extension of the final "heyyy," in order to achieve full comedic effect.

This catchy yet goofy phrase can also be used in unique shit show-like circumstances to express excitement, surprise, shock, or complete and utter disbelief. The original definition can be credited to Keasha, a neuronally challenged, caution tape wearing, hilariously funny contestant on the reality filth television show, “A Shot of Love with Tila Tequila.”

In this encounter with this word and emoji, we'll have you know..

You're getting laid tonight.
Except if you're a brick.

You're not.

heyyy (specifically with 3 (three) (y)'s) is a dangerous word you can get into.
Whether you can be in a kinky relationship or a netflix and chill relationship.
Either way, in my personal advice, just don't reply.

Winky faces.
Oh god.

WINKY FACES ARE A MORE DANGEROUS CONCEPT
DO NOT ENGAGE / ABORT / DECLINE MISSION

If she puts three “y’s” in her “hey” she is down and ready to fuck.

What you text to someone when you want to eat their dick

Unless theyre a girl