A spot or film of fugitive adhesive. The greenish brown high profile low tack version found on the back of new credit cards is also called a boogerdot.
Less disgusting than actual snot. More fun than a blob of rubber cement.
The sudden, soon to be cured, deadly rash created by a laser scope pointed at ones vital organs attached to a high power rifle or other long range firearm.
Mike: "Some day that Bin Laden will get the red-dot-itch and his problems will be over."
Joe: "Yeah judge I shot him, right after I gave that S.O.B. the Red-dot-Itch from about a hundred yards out."