Slang dictionary
cock-block
[kok blok]
What does cock-block mean?
Cock-blockingis the action of preventing someone (usually a man) from having sex by intentionally or unintentionally stopping (blocking) someone else’s cockfrom reaching its intended destination. This behavior could be driven by jealousy, competition, genuine concern for one of the people involved, or simple obliviousness.
The person who does the blocking may be called acock-block or acock-blocker.
Where does cock-block come from?


In 1990,Run DMC and Kid Rock both rapped about people trying to cock-block them. By the next year, the term was common enough to show up in an English-to-Italian dictionary of slang.
For a guy to cock-block another guy is generally considered bad form. The action is condemned in a 2010s book of “Man Rules” calledThe ComMANdments.A writer in 1994 described a hand signal for committing the foul, like the incomplete pass signal from football but in front of his crotch.

Women also like to have sex, in case you didn’t know, and find interference just as annoying. Some women may still call the action acock-block, in this case being prevented from receiving the cock. Many other names have been suggested for the female equivalent, which is also useful for pairings that don’t involve a cock. Some examples include: clam jam, twat swat, box out, or beaver dam.
In 2015, a comedy sketch onInside Amy Schumer featured a humanoid rooster (get it?), a personifiedcock blockwho walks around a bar ruining guys’ chances with women. The cock’s over-the-top personality seems to paint the whole idea of cock-blocking as absurd.
Riffing on the same cock/rooster idea, in the 2017 board gameCock Block players are roosters trying to score “chicks” (actually hens) while blocking each other.
The 2018 comedy movieBlockers features three girls trying to lose their virginity on prom night while their parents try to block them. In case the title wasn’t obvious enough, the posters featured the silhouette of a rooster.
Examples of cock-block


Who uses cock-block?
The desire to not be seen as a cock-blockmay have unintended consequences. A 2011 paper on sexual violence noted that social norms aroundcock-blocking may make male bystanders less likely to intervene in potentially abusive situations. An anti-sexual assault group called the Girl Code Movement (à la Man Rules or Bro Code), offers sexual assault prevention tips under the heading “Cock Block Tips.”
Of course, cock blockingpeople who do mutually want to have consensual sex is still pretty annoying. Due to their innocence, kids are especially good at unintentionally doing this to their parents.Women’s Health even published a whole article of stories from parents who gotcock-blocked by their kids.And, someone even wrote a 2016 faux-children’s book about it called.
Cock-blocking can also be metaphorical, a colorful or humorous way to say “interfere.” In his 2012 song “,” for example, Macklemore hopes that “the soundman doesn’t cockblock the drums.”
Big boobs are the biggest cockblock for cute clothes
— vanessa 🐝 (@VanessaVartuli)
Note
This is not meant to be a formal definition of cock-block like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of cock-block that will help our users expand their word mastery.