n. a technique used to hide an erection; to use the elastic tuck, the erection is pointed upward and held as such by the elastic waistband of the underwear. Also referred to as the E.T.
First guy: I got a huge boner three minutes before class ended today. I had to hide it with my books.
Second guy: Dude, you don't use the elastic tuck?
Second guy: Dude, you don't use the elastic tuck?
by j_l_d January 31, 2007