Original: A hairpin turn ( also hairpin bend , hairpin corner , etc. ) , named for its resemblance to a hairpin\/bobby pin , is a bend in a road with a very acute inner angle , making it necessary for an oncoming vehicle to turn almost 180 Â to continue on the road .
Simplified: A hairpin turn ( also hairpin bend , hairpin corner , or just hirpin ) , is a very tight corner . It makes a vehicle turn almost 180 Â to continue on the road .