The act in which a person who is on their knees (typically female) is giving a blowjob to which the person on the receiving end, at their climax slaps the ears of the person giving head and cums in their eyes simulating a flashbang.
"I was doing the russian flashbang flashbanging to this girl the other day, you know when you cum in her eyes and tug on her ears at the same time, then I got raided by the FBI... The worst part is that the Spetsnaz joined in."
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.