B-Block is the act of blocking one's bum. This term usually applies to girls who are about to take it up the ass, but decide not to at the last second.
Girl: Last night my boyfriend tried to give me anal, but I B-Blocked him by taping that bad boy shut.
by burns99 August 3, 2009
Get the B-Block mug.
South Korea's most hep hap boy group consisting of Derphyo, Sex-Bomb, U-KittyKwon, 'Walking Paradox' Ziaco, Whale Pyo, Sharkeu Taeil, and Kyungcumber.
Me: "Do U Wanna B, Block B!"
Friend: "What."
by MyNameEejaTaeil January 29, 2012
Get the Block B mug.
Blocking b is when you block a bitch who’s a cloud demon
Mann im Blocking B fuck her
by Instagram: simp.4nia February 14, 2022
Get the Blocking B mug.
South korean boy group.

Never seen normal for more than 10 seconds.
Derping like Kings since 2011.
Block B is consisting of the 7 idiots.
The crazy tough cookie, rapper and great Leader: Zico Ziaco.
The kitten eyed, Dance, vocalist and King of getting in trouble: U-Kwon.
The short, High note master: Taeil aka that guy with all the tattoos.
The selfish visual: Jaehyo.
The rapper and cucumber guy, who Also have a solo album and whose name Can Also be a pun: Park Kyung KyungCumber
The most normal one in the group, dancer vocalist and overly sexy member: B-bomb

The crazy, tall as maknae with the deep Batman voice, who can’t dance at all: P.O

Block B Also have a sub unit named Bastarz (with a Z so it looks cool) The subunit consists of: U-kwon, B-bomb and P.O

Fandom name: BBC
Me: Have you heard Block B's new comeback?

Other BBC: yeah! It is really good
by ThatOneGuyWithTheHat March 29, 2017
Get the Block B mug.
The Leicester Housing Authority located on Barrett Drive in Leicester MA. B-Block is claimed by Menace4Life a gang in Leicester MA. Their rivals are King Street or K-street.
Person 1: Yo come meet me at B-Block

Person 2: Fuck nah I ain't goin over there
by GSTREETB-BLOCK4L September 12, 2022
Get the B-Block mug.