Unlike power bottoms the submissive bottom is the partner in gay sex who let's his partner do whatever he wants to him in sex. Submissive bottoms are usually.
The main difference between a submissive and a bottom is that the submissive ostensibly does not give instructions.
Identify as a submissive, but not sure where you fit in? Here's a list of a few of the different types of bottoms!.
As a general rule, however, a "bottom" is usually someone who only takes on the submissive role within a play session or scene for a limited and previously.