1. Used to describe someone who is (slightly) chubby, and as become so over the
christmas/summer holiday
period.
2. Or, someone who morbidly
obese and you don't want to hurt their feelings, yet you stil want to bring them to the attention of their weight gain.
1. 'oh mighty me darling, you seemed to have gained ten pounds over the
christmas period! Time for the old detox!'
2. 'S**t! Look at that
big moma, shes ever bigger than yours!'
'Mate, shut it, be nice to her, shes my aunt'
'alright sorry, shes festively plump'
'thats better'