Crystal Clear By EvilJuly 16, 2013February 25, 2020Slang Crystal Clear = to understand perfectly / to see perfectly / to hear perfectly Who says this?: Everyone Ex: I understood the message “crystal clear.” Ex: Person #1: “Are we clear on that?” = (Do you understand what I’m saying?) Person #2: “Crystal” ( or “crystal clear”) Ex: Man: “So, are we going to see a movie tonight, or are we just having dinner together?” Woman: “Let me make this crystal clear, I don’t want to go on a date with you.” BACK to Slang