The act of a male (typically 18-25) modifying his appearance to look more like a bro. This can include removing body hair to make the penis appear larger and shaving/growing facial hair to create the bro beard or chinstrap.
Broscaping is an art when done correctly. Only true bros can master it.
Bro 1: Bro, how'd your package double in size overnight, bro?
Bro 2: Bro, it's a broscaping trick. Smooth legs make it look huge, bro!
Bro 1: Bro, that's awesome, bro!