humblebrag, verb and noun
1. To bring up one's accomplishments in conversation and contextualize them as a harrowing burden or the product of an accident or fluke. 2. Subtly letting others now about how fantastic your life is while undercutting it with a bit of self-effacing humor or "woe is me" accessory. 3. N. A brag shrouded in a transparent form of humility.
Example: Uggggh just ate about 15 pcs of chocolate. Gotta learn to control myself when flying 1st class all the time, or they'll cancel my multi-million $$ modelling contract! OMG! #humblebrag
Adapted from: Urban Dictionary