You: aye we has a good time Julio
Julio: yea we did hunn? ( in Mexican acent)
You: How come I talk'in like this PUTO !!! ( in Mexican acent)
Julio: I don't know Stupid wait i think we gots borderphobia yo tambien Wayy ( in Mexican acent)
By the time you get to the border
Border patrol officer : were you boys from ?
Juilo: SACA TEJAS !!! I GOT TRUCKAS TOOOO !!! ( in Mexican acent)
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"