The shout comes from BBC's Top Gear, where Jeremy Clarkson was a lead presenter from 2002 to 2015 alongside Richard Hammond and James May. Poweeerr became one of his signature catchphrases, shouted whenever a powerful car was tested on the track. Clips were ripped and shared on YouTube in the late 2000s, then reused in car forums, edits and compilations. Its lasting appeal is Clarkson's delivery, which turned a simple word into shorthand for horsepower and mock serious automotive excitement online.