full of piss and vinegar

cat piss

Any beverage of low quality.

come full circle

To make a complete change or reform.

few cards shy of a full deck

Mentally deranged; demented; insane.

full blast

Maximum capacity or effort

full butt

headfirst with full force

full circle

Through a cycle of transition, returning to where one started after gaining experience or exploring other things.

full marks

Complete approval or agreement.

full of beans

Energetic and enthusiastic.