Btlomlp is an abbreviation for "be the love of my life please", it's not used much. It was made by a 14 year old boy (as far as I'm concerned) to name his crush.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi
May I have an order of regular degular buttermilk pancakes? Without all the added jazz? Hold the blueberry smiley face, strawberry glaze, chocolate chips and whipped cream.