TLDR stands for "Too Long Didn't Read." It can signal a summary for lengthy text or take the form of a sarcastic reply.

The first batch of records provided an unusually clear window into the thinking of the six Peacock councilors: Candace Avalos ...

Murder in a Small Town’ Producers on Malcolm-Jamal Warner’s Final Role, Karl & Cassandra’s Clash & More; Study finds women have higher genetic risk of depression; Dolly P ...