noun. A dangerous blast of hot air behind a rocket or missile when it is fired.

noun. backfire from a recoilless weapon

"The instructor told him to make sure no one was behind him before he fired the weapon sends out a powerful backblast."

backfire  blowback  

catchment  entry/exit  erogenous  firer  free-fire  

backbeat  backcast  backlash  backlist  backslash