An American surname from Dutch.

(pop psychology) A person or character like a Star Trek Vulcan; someone resembling Star Trek's character Spock.

(rock paper scissors) To play the Vulcan salute hand.

(Canada, slang) The practice of defacing certain editions of the Canadian five-dollar banknote, using ink to alter Sir Wilfrid Laurier's features to resemble the character Spock from Star Trek.

plural of Spock

(idiomatic) Pointy ears, resembling those of Spock, a Star Trek character.

An asteroid in Main Asteroid Belt, Solar System; discovered in 1971, the 2309th asteroid registered. / Alternative form of Spock (fictional character from Star Trek)

(derogatory) Spoiled by an overly permissive upbringing.

(neologism) An extension of the children's game of rock paper scissors, with two additional handshapes: lizard and Spock.