Sumo Wrestling
Sumo
noun
A mutual slap is when two big guys run at each other and slap each other. This is sumo wrestling.
The reading is pretty weird, and not one you've learned. But, you know what sumo is, right? It's just the same as that. It's すもう.
今夜ビールを飲みながら相撲を見るってのはどうだい？
Do you want to drink some beer and watch sumo wrestling tonight?