The art of inserting ones thumb (thumbs), into a fellow companions anal cavity, while thrusting wildly in an up and down motion. The thumb dumper must be face to face with the thumb dumpie.
Chantel couldn't walk the next day because she had spent the night being thumb dumped by Tim. Tim is an excellent Thumb Dumper
Two dimple looking spots on the lower back. This is only found in women. Not all women have these though so if your girlfriend has these then she is rare.
Person 1: Wait your girlfriend has venus dimples?
Person 2: Ya man no joke Person 1: I wanna steal your girlfriend cause thats hot Person 2: No she is too rare
This syndrome was discovered by real scientists A.L. and J.S. after learning that the common man who gets rejected by a fairly attractive girl then ends up dating a psychical or mental monstrosity despite his friends interventions. This syndrome is named after the original subject, D.P.
"So he got dumped by Amanda Tapping, and now he's dating the Blob? He has a case of the Dumped Psycho Syndrome!"
-Any normal guy.
A magical penis; specifically the male genitalia having certain unexplainable power over others. Often refers to an otherwise undesirable human being having an incongruous ability to mount the person/oriface of their choice.
Dude - that guy is a total douchebag - and he's with that total hotty! No job - no prospects - he's not even that clean! I guess he has a Dumbledore Dick.