fullhanded 

adv. to be unable to hold anything else in one's hands, either by weight or volume.

My son refused to help me carry the groceries from the car. He claimed that he was already fullhanded.

fullhanded by ogsrotag May 4, 2009

full handed

This is when all your hands are full and you can’t hold anything else.

Mum I can’t carry the shopping I am full handed

full handed by anonymous February 26, 2021