they have been flirting for weeks, and the barista wants a "bit" more the guy isn't sure what to think since while she is pretty, and let's face it got a great rack, he wasn't really looking for anything and isn't sure he wants to have that kind of relationship with her...
"I'd steam your milk"
No?
This doesn't mean anything.
(Also means nothing.)
*Overture of 1812*
Anywhere, Anytime