Hang a left/right
Definition 1 of 1
Pro Tip 1/3Colloquial Navigation
Used in casual conversation, especially when giving directions or describing a driving route. 
When you see the grocery store, hang a left and you'll see the park.
Pro Tip 2/3Not for Writing
It's usually not used in formal writing or official navigation instructions like GPS systems. 
He told me to hang a right, but the GPS just said to turn right.
Pro Tip 3/3Driving Context
Mostly refers to driving or biking, not used for walking directions. 
Keep going straight until the roundabout, then hang a right onto Elm Street.