People that consistently sit close to conversations but refuse to let the conversation flow down the table. For instance you have to lean into the middle of the table to talk.
Wow I can't talk to Jack because Kevin Murray is a giant conversation blocker.
A device which can be inserted down a tracheal tube after tracheal intubation so as to block off the right or left main bronchus of the lungs in order to be able to achieve a controlled one sided ventilation of the lungs in thoracic surgery.
Using a bronchial blocker that blocks something that helps you, helps you?
When you don’t help your friend(s) out for your other friend
“Hey ky your a cock blocker for not pmo with your friend” 🤷🏾
A cock blocker is a close friend of your target who perceives your disgusting intentions re her close girlfriend. Her intention is to block your battle plan, thus preserving the apparent chastity of your target -- or in this day 'n' age -- preserving the lady's opportunity for her own not-so-pious intentions.
During a splendid evening of ice skating, and Just after I had copped a really awesome 'fee'" as well as the mother of all sloppy smooches, her roommate shows up and wants to leave early. So I bellow at the top of my lungs: YOU GODDAMN COCK BLOCKER!!1
Lady-friend who, whilst taking resources, food, money, etc. from a guy, withholds any sexual favour, at the same time prohibiting the guy from relieving himself elsewhere.
That cock-blocker is permanently on the rag while looking daggers across if I even open my laptop!
A guy who tries to sabotage the friendship between a girl and another guy.
Mark told Stacey a fake story about a fake girlfriend of mine. What a Cock-blocker!
Taylor wanted a girl but Keith was being cock blocker and Taylor didn't get the girl