flashbung
The the past-tense term used in the situation of being hit with a flashbang grenade.
'woah, i totally just flashbung that guy.'
Flashbunged
The past tense of "flash bang" used as a verb, especially in video games, when you get blinded by a flash bang grenade.
"I just got flashbunged by that guy and then he knifed me."
"I totally just flashbunged that guy and then knifed him while he was blind!"
"I totally just flashbunged that guy and then knifed him while he was blind!"