What is Plastic Pig?
1.
Term for a Reliant Robin, small 3 wheeled car/van made from GRP in
Bloke: "Why were you so late?"
Another bloke: "Coz i was stuck behind a plastic pig all the way up the
M42
See
2.
Its a nickname for a 3 wheeled British car called a Reliant Robin. With a body made out of fibre-glass and a very small engine. Known to tip round corners and were given to the disabled and old as 'invalid Carriges', usually in a pale blue colour. Can be driven on a motorbike license.
'I once saw a plastic pig go to fast round a corner and tip onto its side!'