An injury inflicted by SIB, or Spooning Induced Boners. Another term is a boner-bash. It can vary from being a soft tender spot on the thigh to a large and painful bruise lasting more than two days. Penis-pokes are not lethal, but they are annoying. The pokers are often Spenjamins.
"Oh my god, someone gave me a penis-poke! It hurrrttss!"