Karma yoga, or the "discipline of action" is based on the teachings of the Bhagavad Gita. One of the four pillars of yoga, karma yoga focuses on the adherence to duty (dharma) while remaining detached from the reward.
Example Usage of Karma
MollyWololly: Haha Noone is Captain for Winter? This Shall be interesting. Karma Rears it's Ugly Head Once again.
nicolenetland: Father-in-law heads into major surgery tomorrow AM. Taking all prayers, kind gestures, Karma, whatever positive vibe you'll dish out. #fb
Coxymoney: @sarayelich it's okay. just no bad Karma vibes, and no trashing guys. The good one's will see it, think you're b*tchy.