~ = Equal to or equivalent to.

In our texting/roleplays, this usually is a sense of sexyness, seduction, or some other form of romance.

How it's actually used:

1 Liter ~ 1 Quart

How we use it:

It's all good, just give me a kiss~

See the difference?

Exactly.

The only thing is I suck at math.

Lol

So, the literal meaning of this little.... squiggly line, (I think it's called "Almost equivalent to") is a term in math.