A description for one testicle
As i ran on the treadmill my testi brothers slapped against my sweaty groin!
short form for a testimonial. Used widely by users on an online friend service called friendster when asking their friends or other members to write a short message on their profiles visible to other users containing descriptions about themselves and their relationships, or just to say hello or wish them for an occasion.
Albert: Can you give me a testi?
Ben: Alright, let me log in first.