Wyszukaj dowolne słowo, na przykład the eiffel tower:
To strike ones penis against anothers forehead resulting in an audible "thump". Often used to test the erection level of the penis.
Just before Luke put his penis in Megans mouth, he performed a density check to test that he had a full erection.
dodane przez Lexicon Lenny kwiecień 03, 2003