Best definition
A holiday celebrated by gamers the world over, lasting all of January. You are allowed to give gifts for this

celebration but they must be game related and under £10. You can also give out cards. Most importantly however you must play video games until your eyes bleed.

Player 1: ‘So, you suck at Tekken 5 this winter-een-mass…’

Player 2: ‘Fuck you.’

Both: ‘Happy winter-een-mass, jackoff.’