PSA stands for "public service announcement." It is a message to the public. It is usually about health, safety, or community issues. "PSA: Wear a seatbelt." It is informational. It is not an advertisement. It is a service. It is common on TV, radio, and social media.

PSA has been used in slang. "PSA: Do not text your ex." It is a joke. It is a mock announcement. It is a way to give advice. It is a way to share a lesson. The tone is playful. The format is familiar. It is a meme.

Related terms

• FYI: for your information.
• TBH: to be honest.
• NGL: not gonna lie.
• IMO: in my opinion.

PSA is a small word. It is three letters. It carries a message. It can be serious. It can be funny. It can be a warning. It can be a joke. The context decides. In the right context, PSA is perfect. It is a way to say, "Listen up." That is a useful thing.