red rocket

noun2

1. •
   (US, slang) The erect penis of a canid.

   • For his showstopper he’d grab hold of your bumper and start humping it like a Labrador no longer able to contain his red rocket. — 2009
2. •
   (Canada, slang) Any of the red-painted electrical streetcars and subway trams operated by the Toronto Transit Commission in Toronto, Canada, especially the classic models used during the early and mid-20th century.

   • Toronto's Red Rocket streetcars are renowned worldwide as a symbol of our city. — 1991