Chainsaws are pretty manly. I don't think I need to elaborate more on that.
This knife handle featuring a dragon shaped motorcycle is pretty damn manly.
If you're looking for a manly hat to wear, a fedora is a pretty good choice.
The Spitfire was one of the planes heavily used by the Allied Forces in World War II so ... you know ... it's pretty manly.
This man is explaining to his roommate what a dishwasher is. That's pretty helpful, right?