A male lays down on his back while erect. A female takes a nail and places it in the tip of the penis and processed to hammer the nail in using her breasts.
Man my dickreally hurts from all that hammer time my girlfriend did to me last night.
An enemy sometimes encountered in mainline Mario games. Often seen in pairs, their behavior involves tossing hammers in an upward arc at you. Essentially, they are some of the most annoying cunts you will ever encounter in any video game. When you approach one, be sure to have a mushroom on you because there is a very low chance that you'll get past them without getting hit at least once.
Person 1: GOD FUCKING DAMMIT I DIED
Person 2: What happened?
Person: 1 IT'S THOSE FUCKING HAMMER BROS, THEY ARE NEAR IMPOSSIBLE TO AVOID! FUCK!