put balls on
put balls on (something)
rude slang To make something more stereotypically masculine—that is, stronger, more aggressive, more dynamic, more risky, etc. The director said they wanted to do a rewrite so he could put some balls on the script. You'll need to put balls on this legislation if you want to have any hope of it getting passed.
put balls on something
Sl. to make something more masculine or powerful; to give something authority and strength. (Potentially offensive. Use only with discretion.) Come on, sing louder. Put some balls on it. This story is too namby-pamby. Put some balls on it.