the eiffel towerのようなどんな単語でも探してください。
 
1.
The act of trying to hide an erection by tucking your penis into the waistband of your pants. This method is usually used when in public and/or wearing loose fitting pants or shorts.
I got an erection while staring at that woman but i was in public so I had to tuck up.
Derttyによって 2005年12月30日(金)
 
2.
To shaft or prank someone, usually a mate. As seen on some of the WKD adverts
You tuck up a mate, when they can't get away from someone talking to them and you don't rescue them.
richard jacobsによって 2007年02月05日(月)