A new viagra virus is going round the Internet. It doesn't affect your hard drive, but you can't minimize anything for hours.
-- Joan Rivers

I am a sexual machine now. Raring to go every second of the day. I'm human Viagra. I am Will-agra.
-- Will Smith (quoted in Premiere Magazine, 2001)

I'm taking Viagra and drinking prune juice - I don't know if I'm coming or going.
-- Rodney Dangerfield