LLB is a term on r/LodedDiper meaning Looks Like Book. It is used to describe a type of fan fiction that mimics the art and writing style of the Diary of a Wimpy Kid books.
LLB means Leaving Lewd Bitches. This term is mostly used online while leaving your ugly past or your ugly ex behind without giving a single F.
Or when you're going through a slut phase so you can use this term to explain the situationbetter.
short for "Lemon Lime and Bitters", a very refreshing Non-Alcoholic beverage popular at pubs and hotels.
Made from Lemonade, Lime Juice/Cordial and Angostura Bitters
"Id like an LLB thanks bartender"
or
"I am the designated driver tonight boys, ill be drinking LLB's"
or
"I need a refreshing drink to get the taste of vodka out of my mouth, get me an LLB thanks love"