to do something in pairs, especially dealing with alcoholic beverages
I'm drinking tequila BLS, so I need two shot glasses.
by Clutchworld June 2, 2003
Get the BLS mug.
Boston Latin School. Home of the smartest kids in the USA!!!
-Wow! Your wicked smart...where do you go to school?
-BLS where else would I go.
Get the BLS mug.
The disease known as "Big Lip Syndrome". Connected to the society of Blacks and/of african face.

Causing lips to swell to black people standard lip size.
"Dude, I woke up looked in the mirror and I have "BLS". Now guys are gonna be all over me!"
by Norma Monroe August 10, 2007
Get the BLS mug.
Best Liver Syndrome. As in the legendary footballer George Best. BLS is the point you reach when you're so drunk that your liver says, "Fuck this, I'm packing in!"
After Toad's extremely heavy consumption of Jack Daniel's, Guiness, Party Rings and God knows what else through the infamous beer bong D.A.V.E, he was sick repeteadly and ended up having a three day hangover which resulted in BLS and henceforth Toad's temporary straight-edge status.
by Rasputin the Fourth September 9, 2005
Get the BLS mug.
#1 " *insert broken link here* "

2# that link is broken... BLS!
by el Duffel GOAT November 25, 2009
Get the BLS mug.
BL is a short term for, "Boy Love". In other words it means Gay, Yaoi, Boy X Boy. BL is commonly used in anime.
Person1: Hey want to watch some bl with me?
Person2 : What's that?
Person1 : Oh it's like gays basically, Or like a Gay TV series Or Anime...ect
Person2 : Sure!
by my defined stuff by me :) December 11, 2019
Get the BL mug.