When someone, or some group achieved a blocking move of something big that you were trying to archive.
The D.N.C. really COCKBLOCKED their entire party when they COCKBLOCKED Bernie Sanders again! He was their best chance !
by Polybius September 16, 2020

When you’re about the fuck the baddest bitch in the ocean but she’s so into you’re pets that you end being blue balled or sitting alone cause your pet gets all the attention
Matt:I was about to bang Lisa last night but Fido got in the way
Adam: damn bro sounds like you got cockblocked by your pet
Matt:damn even my dog pulls more pussy than me
Adam: damn bro sounds like you got cockblocked by your pet
Matt:damn even my dog pulls more pussy than me
by Niggalini March 31, 2022

PJ: Did you hear about Jake and Meredith? She was giving him head in a movie theater and someone threw a cockblock tomahawk at them!
Amelia: Wow, that's embarrassing!
Amelia: Wow, that's embarrassing!
by Frank Longbottom September 7, 2013

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 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

someone who hits on his friends girlfriends. spends too much time with other peoples girlfriends. kisses hugs and those generally inappropriate things with his friends girlfriends .
by orion_14754 June 2, 2010
