Definitions by Kraplach

Sausage McTucking 

The action of a male becoming sexually aroused to the point of a stiff erection, which is then concealed by tucking the penis underneath the elastic of said male's underwear.

Timmy had such a big boner, luckily before he stood, he pulled a Sausage McTucking!

Sausage McTucking by Kraplach July 18, 2016