1)...to get completely wasted off a combination of drugs, such as acid, weed, and\or alcohol
2)...to be hit in the face by an object that causes spectators to laugh, and the person being blapped to feel very embarassed and stupid
1) Chang was so blapped last night, he killed someone. He's really going to regret dropping all that acid, then chugigng that whole bottle of vodka, what an idiot.
2) Hermes was so embarassed when Overton blapped him in the face with that squid, he started crying. What a fag.
when i man is receiving oral sex and removes his item and proceeds to slap her in the face with the item, then takes the item and reinserts into the orifice.
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?"