get bulked up

When a person "gets bulked up", they get large and muscular like a bodybuilder or an American football player.

Being "bulked up" doesn't sound very good to most people.

Use "get" to describe someone becoming more bulked up. Use "be" to descibe someone continuing to be that size:

He was pretty bulked up back then, but he's slimmer now.

This phrase appears in these lessons: