A contraction of the phrase "Nicky two bags, one breakfast, no balls/train/16-25 railcard/sweets/shoes/life"; a person who has the inability to carry less than two bags when one would be more than sufficient, cannot eat a modestly sized greasy spoon breakfast and is unable to sustain life as he perpetually misses trains/train related merchandise.

when you've done something so cringe you can't stop replaying it in your head and it stops you from getting on with your every day life