the person who stays sober at a party, club, etc. and keeps his/her friends from hookin up with grenades, landmines, or just someone ( or people) they shouldn`t
Ronnie: Yo bro mad people are hittin up karma tonight, lets go.
Mike: Cool
Ronnie: But bro, Sam`s gonna be there
Mike: That`s cool, i`ll be your designated cockblocker
Mike: Cool
Ronnie: But bro, Sam`s gonna be there
Mike: That`s cool, i`ll be your designated cockblocker
by Android23 January 24, 2011

They type of person who stands in the way of making a forward action; Or a person who this to oppose the actions
Me and this girl went out on this date. Then a friend of mine came around and started to be a cockblock. He would always try to stay around and hang with us as we were trying to leave. He was a major cockblock
by Top G69420 August 7, 2022

The character ai filter = cockblock
by Gxth1c.Kai January 4, 2024

1) When A Girl/Guy uses their grandmother to avoid any potential romantic advances
2)When a conversation between someone and a potential date is interupted by either of the people's grandmother
2)When a conversation between someone and a potential date is interupted by either of the people's grandmother
1::
Kenny: Dude i was gonna go talk to this hot girl but then she grabbed her grandmother
Orlando: Dude major grandma
2::
Mike: I was totally about to get laid but then my grandma pulled up and gave me clean underwear
Shanon: That's grandma cockblock if ii ever heard of it
Kenny: Dude i was gonna go talk to this hot girl but then she grabbed her grandmother
Orlando: Dude major grandma
2::
Mike: I was totally about to get laid but then my grandma pulled up and gave me clean underwear
Shanon: That's grandma cockblock if ii ever heard of it
by Shapreston July 22, 2010

primarily somebody who prevents you from displaying Public Displays of Affection or engaging in sexual contact with another person.
Example 1) At school- the volunteer parents or staff who go around the campus making sure couples do not have intimacy moments
Example 2) In public- somebody who tells you and the other person to go make out somewhere else or “get a room!”
Example 1) At school- the volunteer parents or staff who go around the campus making sure couples do not have intimacy moments
Example 2) In public- somebody who tells you and the other person to go make out somewhere else or “get a room!”
> be me
> be the parent volunteer who walks around school making sure people are decently behaving
> suddenly see 2 young lovers holding hands in the lunch line
>to prevent any further indecent behavior I yell “Hey you two, too much skin-to-skin contact!”
> the rebellious male Teenager yells at me “fuck off, officer cockblock!
> I get my taser gun and shock the living shit out of the little prick
> be the parent volunteer who walks around school making sure people are decently behaving
> suddenly see 2 young lovers holding hands in the lunch line
>to prevent any further indecent behavior I yell “Hey you two, too much skin-to-skin contact!”
> the rebellious male Teenager yells at me “fuck off, officer cockblock!
> I get my taser gun and shock the living shit out of the little prick
by Thot$layer539 January 15, 2018

A cockblock/cockblocker is someone of annoyance (a fucking dick) and usually refers to someone who attempts to stop people from achieving the task of asking a girl out.
by Latenightdrinker43 June 11, 2022
