Definitions for "Terraplane"
a classic car, and the song uses car parts as metaphors for sex - "pump your gas," "rev all night," etc
The Terraplane was a car brand and model built by the Hudson Motor Car Company of Detroit, Michigan between 1932 and 1939. In its maiden year, the car was branded as the Essex Terraplane; in 1933 the car became simply the Terraplane until 1936 when it was brought fully into the Hudson line-up. The Terraplane was an inexpensive yet powerful vehicle that was used in both town and country, as both cars and trucks bore the Terraplane name.
Terraplane were a 1980s pop/rock group from London, England, featuring three musicians who would go on to form the hard rock act Thunder.