swivel head 

Driver of Large trucks
Able to turn ones head 360 dergrees to see everything around you

Hey Rodney, These Truck drivers have Swivel Heads.Ex DMR Skilled Swivel Heads.
Ruined this Country

swivel head by Deputy January 4, 2008

Swivel Head 

Somebody prone to crazed rages

Wow - did you hear her go off? What a swivel head!!

Swivel Head by as defined by... August 4, 2012

keep your head on a swivel 

To be alert, or just be watching around you

Guy1: Cops is lurking, keep your head on a swivel
Guy2: Aight g, you too

keep your head on a swivel by TexasMadeCuzzo December 7, 2016

head on a swivel 

To be constantly moving your head left and right so that you do not miss anything approaching you from a blind spot

Mandy had her head on a swivel as she rode her bicycle in downtown traffic in order to avoid getting hit by a car.

head on a swivel by Chow-bi July 5, 2017