1. flat spot - Noun
2. flat spot - Verb
flat spot (plural flat spots)
A small patch of a vehicle tyre that has been flattened by abrasion with the road surface, so that the tyre is no longer smoothly circular at that point; usually caused by the wheel locking under heavy braking.
flat-spot (third-person singular simple present flat-spots, present participle flat-spotting, simple past and past participle flat-spotted)
To cause a flat spot on (a vehicle tyre), usually by locking the wheels under heaving braking.
Hamilton locked up at turn three and flat-spotted his right front tyre.
flat-spot