Verb
varoom (third-person singular simple present varooms, present participle varooming, simple past and past participle varoomed)
Alternative form of vroom
"There Goes (Varoom! Varoom!) That Kandy-Kolored Tangerine-Flake Streamline Baby" was divisive, much discussed, and was included in Wolfe's first essay collection, published in 1965. Source: Internet