noun. A powerful force, coursing through the veins of toddlers, puppies, Wheaties, and Satan.
Real citation: "Evan also talks very LOUD. Since I used to do this as a child, you would think I understood. Well, my yelling was due to hearing loss. His is due to enhanced tot-tosterone. This kid is loud, plays rough and is an all around boy. Nothing like me and my brothers. I think we are in for a change on this one."
(Oct. 6, 2007, A Yankee and a Southerner, http://kateandemilio.com/?p=16)
Made-up citation: "New parents often struggle to deal with their children's tot-tosterone. If you can't keep up with your young child, I can sell that child on Craigslist, for a small fee. I also offer piano lessons."