The Twin Towers are like snowmen; they fall and crumble.
What separates snowmen from snow-women?
Snow balls.
Snowmen and snowwomen take a stomach piece, making snowballs.
What do snowmen call snowballs?
Children!
What do boy snowmen have that is different from snowgirls?
Snowballs.
What do you call snowmen having sex?
A snowjob.