wertle
to shift in an uncomfortable position
"i had to fuckin...wertle, cause ya motha takes up most of the matress in ya room.
wertle snertle
A phrase used by a 'shade tree' auto mechanic to describe the thingamajig (usually black) attached to the motor with wires running to each spark plug. Also, sometimes referred to as a whatchumacallit.
Get my flat blade screwdriver and pop the top off the wertle snertle.