The amount of time it will take for a user of a product or service to use it to make a penis joke
"TTP, or time to penis, is a mathematical constant, defined as Zero."
by The Other John Hanclock December 21, 2011
Usually a gaming term, refers to the approximate amount of time from when a software is released until someone figures out how to make something into the game a penis.
Your friend: Hey! I just made a penis in minecraft!
You: Yeah, the Time Until Penis (TOP) for Minecraft was about 4 minutes. Good job.
by ThoseGuysConquerYT July 30, 2013