When one pulls the school fire alarm and uses the excuse "I didn't think it would work" when questioned about the incident.
Derek pulled the red lever of the wall, a teacher aproches and asks "Why would you do such a thing" Derek replies "I didn't think it would work". This is known as pulling a Derek
by pokemon master 69 December 26, 2008
When one, typically a man, makes it his primary goal, whether knowingly or unknowingly to steal a girl from one of his bros; akin to the actions of a member of SEAL Team 6 creepers (sinuous).
Peter is "pulling a Derek" by snap chatting my girl and asking her for nudes.
by pullingaderek April 08, 2015