Any substance that blocks reality temporarily, legal or not. Also can be something that prevents access such as a lockedgate.
I can't do (whatever activity eg drive) as had too many blockers. Can also use blocked. Eg Too many blockers today so I'm fully blocked. Combinations - This gates blocked and i can't undo it cause I'm too blocked.
By Georgia
Blockers
Major bugs in software development that have to be fixed before release of RC or even final product.
Blockers have to be fixed before shifting to another phase of SD.
By Christabel
Blocker
When a dude is trynna get wit ta female and a jealous or juss plain annyoing friend keeps jumping tha way "blocking" tha progress.
I saw a hella fly chick lass nite at tha club but her friend was a tha biggest blocker eva.
OR
Da cutest boy at da club was hittin on my friend instead of me so I had to be a blocker and mess up his game.
By Elbertina
Blocker
In online multiplayer gameplay, usally FPS (first person shooter), a 'blocker' is someone who blocks the only exit from a room or other confined space by standing, crouching or lying in the doorway in a way that prevents teammates players getting around them. Usually will gain a fast 'MOVE N00B BLOCKER!1!111' from other players, especially if their escape route from fire or grenades is blocked.
Fat, fatter than a normal person. Usually found near a vending machine. Also know as a Walrus or Back Ally Walrus. Known to smell of a combination of bacon cheeseburgers and combos pretzel crackers. Normally seen without a mate due to horrendous nature. Should be captured and euthanized immediately if witnessed. Normally seen with multiple chins and doing walrus shuffle.