SOL Three-letter-acronym or TLA for the profanity “S**t out of luck,” as in “if your PCA is more than your RPC, sooner or later you’re going to be SOL.” It usually means an irreversibly bad outcome for the party that is SOL. Related Terms 10-K, Form 10-Q, Form 10b-5, Rule, Violation 11, Rule 20-F, Form