Megatron is the leader of the Decepticons in the Transformers franchise, created by Hasbro and developed across toys, animated series, comics and live action films since the 1980s. His rivalry with Optimus Prime and the Autobots is the central conflict of the series, and short voice lines like this one have been clipped and shared online as reaction sounds and meme inserts. The phrase sums up his character in two seconds, which helps it survive outside full episodes and work in unrelated edits.