IWIAM is an abbreviation that stands for 'Idiot wrapped in a moron.' It is used to describe someone who is especially foolish or unintelligent. The acronym is often used in a humorous or sarcastic way to poke fun at someone's lack of intelligence.
IWIAM is not a widely recognized or commonly used texting abbreviation. It is considered a niche term that is more likely to be used among close friends or in specific online communities.