The action of two people with breasts standing face to face and pushing their breasts together in a manner they fit together like legos. Simplified a scissoring of titties.
Lego - Toy meant for kids, in reality, adults play with it. Can be used as last chance weapon, if attack is a succes target is going to die in pain and pure agony
When I was deployed in Iraq, our Commander ordered us to drop Lego on a Village, all targets were eliminated instantly