In text and social media, "WSP" most commonly stands for "What's up?" It's used as a casual greeting to ask someone how they are doing or what they're up to.
"LWK" most commonly means "Low-Key," signifying something subtle, understated, or not meant to draw much attention. It can also sometimes mean "Love With Kisses" or "Laughing Without Kidding" depending on the context.
"OG" primarily means "Original Gangster," but has evolved to describe someone or something authentic, exceptional, or "old-school." It's used to show respect, like "That's an OG classic song," or "She's an OG in the fashion industry."