The clip comes from the Shoop Da Whoop meme that spread across forums and early YouTube in the mid 2000s. It paired a distorted face with an oversized open mouth firing a blue energy beam, borrowing the overblown style of anime energy attacks. Short animations and remix videos repeated the shout before every blast, turning the phrase into a shared cue for a fake charge up. It is still used today because the buildup is instantly recognisable, even for viewers who never saw the original images.
About this sound
The classic Shoop Da Whoop meme voice shouting imma firin mah lazer right before a huge mouth laser blast, used for over-the-top attack jokes.
This is the shouted warning from the Shoop Da Whoop meme, delivered in a distorted, deep voice just before a character unleashes an enormous laser from his open mouth. The delivery is slow, slurred and deliberately ridiculous, stretching the words imma firin mah lazer into a buildup that makes the blast feel even bigger. The humor comes from the mismatch between the serious attack pose and the goofy voice. Even as a short audio clip alone, listeners instantly picture the charging mouth, glowing energy and sudden beam, which is why the line works as a punchline without any visuals.