Someone who uses acronyms to talk which is trying to say your going to give them a blowjob. L short form for lick and D for Dick. B could also be switched or added for L your D and/or B meaning balls.
You have the right to ask someone to prove they don’t have a shrimp. They must not back down today..
Ally: I am so sad, I think Johnny has a small d. Maria: It’s okay, since today is “National Prove Your D Isn’t Small” you can ask him! Ally: Really??? Maria: Yes!