1. The underside of the tip of a penis. sometimes concealed by skin if the owner of the helmet is uncircumcised.
by jordanc57 August 13, 2007
Slang for the head of your penis. If you remove Darth Vader's helmet, then you are masturbating. If you find a place to put Darth Vader's helmet then you are having sex regularly.
- So what did you get up to last night then Steve?
- I removed Darth's Helmet
- Oh. So you were on your own then.
- I removed Darth's Helmet
- Oh. So you were on your own then.
by Andy June 23, 2004