Hitting Bottom

Two men sitting beside one another in a bar.

The 1st man is an average size guy weighing about 170 lbs.

The 2nd man is a huge fat guy weighing about 375 lbs.

The 2nd guy asks the 1st guy:

- When you have sex with a woman, do you always hit bottom?

The 1st guy replies:

- It depends on the woman, how about you?

The 2nd guy replies:

- I always hit bottom, no matter who I'm with.

Of course you can't help but to hit bottom when you "mash it flat".