1 definition by Vyvyan999

Top Definition
A slang for Recoilless gun or rifle mounted on a car or a tripod.

The origin of the word come from the BBC series "The Young Ones" where Vyvyans pet hamster was called SPG witch is a name of a popular Russian recoilless gun.
Oh crap, These is a hamster-car on the left flank, kill it!!
by Vyvyan999 December 23, 2010
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