The little jerk has to learn his place

"Do you wanna wrestle with me?" you ask, incredulous. "Ok little bro, you are on!". He takes his tank top off, showing his pearl skin, so white that it reflects the sunlight. You wear a two pieces grey bikini that matches up perfectly your tanned body. You lean forward, lowering your body, while your shorter brother rises up his hands in a wrestling stance. He tries to take your knee with his hand, but being bigger you can keep him at bay. You have to make up something..