Noun. The microscopic particles of urine that bounce off of the urinal when urinating. Some or most of these microscopic droplets of urine end up on the urinator's pants, depending on the urinal.
"Darn it, that urinal has some serious backspray."
When Tom Cruise goes on Jay Leno to promote his new movie getting released by Universal Studios which is owned by the same company, GE, that owns NBC. That's Corporate Backscratching my friends!
When to people are typing in a chat at the same time, and both backspaceimmediately once they see the other person is typing. The person to backspace the slowest (the chat message says they are still typing) is usually the one forced to send the next message.
Jake_H: Hey Jane I just wanted to say I liked spending time with you a lot last night and that naught stuff was great.
Jane103: I really like you too, we should get together soon cause our last hook up was so much fun, however it was kind of weird...
Sweat from the back region, particularly the small of the back, that turns your shirt game upside down. Grey t-shirts are particular harbingers of backspiration. The hotter and more humid it is, the bigger the backspiration stain. Sigh.