An obese female, usually capable of consuming large amounts of "energon" such as chips, pizza, hamburgers, etc. in a single sitting. Megatrons tend to be rather obnoxious or loud, often being heard over most talk in a room.
"Bro, I was trapped behind this megatron at Wendy's. She was so loud, I couldn't hear anybody else in the room!"
13👍 72👎