"Sure boss, I'll just stop using this rather effective gun and switch over to this piece of metal tubing here..."

"Metal tubing" is obviously figurative.

I read it in his voice.

For females I have to say Veronica. With Cass and Sunny for 2nd and 3rd.
Males are a bit tricky. I would have to say it's Arcade as first. For 2nd place Elijah of course.

The prize for the worst tan in the Mojave goes to... Orion!

You made me choose a sixy male character in Fallout:NV, the blame is on you, sir.

For females, I think I'll go with Angela Williams. Love her accent, plus smart chicks are simply superior.
For males, I can't really say. Arcade, perhaps? Most males have pretty generic faces.
http://i1.kym-cdn.com/photos/images/original/000/175/889/oh%20god.png

Cass.
Vulpes.
Pearl.
Veronica.

I don't dwell on this thought much so that's all there is.

Female: Sunny Smiles, Veronica (with a better hat), and Red Lucy

Male: McNamara, Bitter Root, and the one guy with beyond the beef that you have to stick in a dumpster