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!!
Free Daily Email
Emails are sent from email@example.com. We'll never spam you.