MDA

MDA is an acronym that stands for "Mega dumb a**," which is a more exaggerated version of the DA acronym for "Dumb a**." It is a derogatory term that refers to someone who is stupid or mean to other people.

The acronym is typically used online or in text messages to describe someone as completely incompetent. It may be in reaction to something incredibly stupid that the person did, like erasing an important data backup or revealing confidential information on social media. It may also be used to describe who someone who has a long history of just being an idiot or a jerk.