Humblebragging refers to making seemingly self-deprecating comments that actually draws attention to something you're proud of.Hero Images Inc./Getty. Humblebragging is a common habit in the workplace. It includes giving yourself backhanded compliments to draw attention to your achievements. Career experts say this behavior can hinder the chances of a promotion. Self-promotion is an essential part of finding success in the workplace, but sounding like you're "humblebragging" could actually set you back, according to career experts.