When a woman is on her knees performing sweet fellatio to a man standing, and another man is railing her from behind, thus the two men join hands above the woman to form what looks the Eiffel Tower.

When you eat dirt for the first time and leave your family to build a shack in the woods

You know what the Eiffel Tower is, dumbass!

The sex position in which 2 men perform sex on one girl, one man puts his dick in the vagina or the anus, while the other gets oral sex. Once this is happening, they put both hands in a high five position to form an Eiffel Tower shape.

How big every man wishes his dick was, figuratively.

Take the top of your penis and stretch it as far upward as possible, so your penis resembles "the eiffel tower" in paris. Used in the penis showing game.