A car mackerel is a whole mackerel that you've brought (preferably from your local fish monger) that remains in situ in your car. Said mackerel is used to slap pedestrians from the window of your moving car.
by Bad boy poo August 21, 2019
Get the Car mackerel mug.Related Words
Car mackerel
• car
• car pool
• Car Guy
• car boner
• car crash
• car jacking
• car pool-tunnel syndrome
• car whore
• car bar