What does sydm mean? View the definition of sydm and all related slang terms containing sydm below:
shut your damn mouth
Usage of SYDM
The abbreviation 'SYDM' stands for 'shut your damn mouth'. It is a rude way to tell someone to stop talking or being annoying. This abbreviation is often used in casual texting or online chat when someone is being annoying or talking too much. It can also be used as a response to someone who is being disrespectful or rude.
Examples of SYDM used in texting:
Person 1: "I'm so much better than everyone else in this class."
Person 2: "SYDM, please. You're not impressing anyone."
Person 1: "I heard Sarah talking behind my back again."
Person 2: "Well, maybe you should stop gossiping about people yourself. SYDM."
Person 1: "I don't like your new haircut. It looks stupid."
Person 2: "Wow, rude. SYDM, please."