the Tuck Method is a tactic by which men around the world hide their erections. To use the Tuck Method you simply tuck your erect penis into the waist of your pants in your pants to hold it in place in a non-protruding manner. Warning: once you use the tuck method refrain from lifting up your shirt.
Let's say you are at the mall with your friends and you see a very attractive female, and as result you get an erection. To avoid the ridicule of your friends, you use the Tuck Method.