A phrase used to describe male gamers, in particular, those who play the mobile game Evony. These individuals commonly solicit other males under the guise of being a woman. Once a rapport has been established, the pecker tucker sends pictures of his penis tucked between his legs to the virginal, nerdy victim. The victim, being virginal and nerdy, believes he has just seen his first vagina and showers the pecker tucker with in game gifts.
The act of seating yourself in front of a desk piled with physics material, and receiving pleasure from a student beneath. Oral sex often involves uniform circular motion and Newtonian mechanics. There is often a trap door beneath that allows quick entry and exit.
Why is there banging beneath that desk!? Oh, someone must be pulling a TuckerFucker... now, back to my pendulum measurements!