origins from "roller blinds". Keeping out LOL or fun like roller blinds keeps out the sun.
When a person is having his/her lollerblinds down, nothing seems funny. It could either be due to a bad day, or a lacking sense of humor.
I really tried to make her laugh, but she totally hard her lollerblinds down", "Wow, that joke really made her pull up her lollerblinds!", "That guy have had his lollerblinds down for the last couple of days"
A small piece of information. Derived from the word ken, used often in the scottish language and is synonymous with knowledge.
Person 1: "Hey I don't get this shit. How do you solve this problem?"
Person 2: "I got that one. Give me some kenlets on this assignment and I'll help you w/ that one."