1. n: a pustulating skin-deep injury on the male reporductive organ usually associated with "cheap-ass buttsluts"
2. n: an individual who's presence bares an unpleasant similiarity to the burning pain of a cocksore
3. n: an extremely hot female who's sexually active lifestyle results in "sore cocks", thus "cocksore"
a female has mastered the art of aiding a man in reaching an orgasm, usually frequently in one sexual encounter, by an means of penetrative and non-penetrative sex
"man, I had an incredible night with this chick last night, she got me off so many times, I was defenceless against her skills, she was a master cockstress!"
jon: Hey buddy, whats up with tootch?
joe: She's a mess bro. Her dog ran away.
jon: Damn, you better get there and cocksole her.
joe: I wish. She's been with a "friend" all day so I'm sure he's been cocksoling her.
jon: oofa..
When a cocky son of a bitch is so full of himself you can almost smell the bullshit coming out of his arrogant mouth
Boy: I know you were checking out my junk. Wanna get outta here and go have the best sex of your life?
Girl: Fuck no. Your cocksuredness may be a 10, but you're loser ass is barely a 1.
John: Can you believe Steve actually thinks his lazy ass is getting the promotion to district manager?
Alan: I know! He actually lost 7 accounts this quarter. His cocksuredness is a bit extreme.
By analogy with sunblock and sunscreen (assuming sunblock deflects the sun's rays and sunscreen absorbs them), a cockscreen does not block cock, she absorbs it. Thus, you are not completely blocked from the friend, but may have to sleep with the cockscreen first to get through.
"That girl Dana there is being a total cockblock for her hotfriend Jennifer!"
"Nah, she's just a cockscreen. Give her some lovin' and you'll get through, trust me."