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Cockblock is a slang term for an action, intentional or not, that serves to prevent someone from having sex. Such behavior is often motivated by jealousy, or competitiveness, although it is sometimes accidental, or inadvertent.A cockblock or cockblocker is a person who engages in such obstruction or intervention.uch behavior is often motivated by jealousy, or competitiveness, although it is sometimes accidental, or inadvertent. A cockblock or cockblocker is a person who engages in such obstruction or intervention.
PinBlock: Sometimes also called the âwrest-plankâ, the pinblock is a large thick multi layered block of hard wood (often hard rock maple) used to anchor tuning pins. 1  The block is fastened to a shelf at either end of the pianoâs inner rim with dowels and screws.