When two people you are engaging in coitis the male genitalia disengage the vagina and enter the anus swiftly much like a slam dunk in basketball.
Male Friend 1- "So the other night i was having sex with this girl who had a huge ass..."
Male Friend 2- "Did you give her a trunk dunk?!?!?"
Male Friend 1- "Yep, she was shocked at first, but fell in love with it shortly after."
Male Friend 2- "Did you give her a trunk dunk?!?!?"
Male Friend 1- "Yep, she was shocked at first, but fell in love with it shortly after."
by ChetBroda November 5, 2012

by random1234512 August 20, 2010

When a guy lunges penis-first at a woman who is laying on a bed with her legs spread wide, aiming for her vagina.
This act has been derived from the words "Slam Dunk," and was widely used by Wilt Chamberlain in his effort to take the "ball to the hole" and "make those outside shots" in venues outside of the sporting arena.
This act has been derived from the words "Slam Dunk," and was widely used by Wilt Chamberlain in his effort to take the "ball to the hole" and "make those outside shots" in venues outside of the sporting arena.
Todd perfected his Clam Dunk form with a little practice, easily Clam Dunking into Sarah's obliterated snatch.
by WiltChamberlain November 7, 2011

While in a pool, lake or ocean. Grab a nearby woman by the pussy, lift her up in the air, then drop her into the water.
by That other dude 21 August 14, 2017

by D-val November 15, 2007

Derived from the British: SLAM, and the Alpha-Numeric: DUNK.
It has most recently been adopted by Devil May Cry Hero Dante.
It's most frequent use, though, is when nerdy 13 year old children believe it to be hilarious fun to exclaim SLAM DUNK whilst facing up the school bully. This, more often than not, leads to a swirlie.
It has most recently been adopted by Devil May Cry Hero Dante.
It's most frequent use, though, is when nerdy 13 year old children believe it to be hilarious fun to exclaim SLAM DUNK whilst facing up the school bully. This, more often than not, leads to a swirlie.
Foolish Child 1: SLAM DUNK!
School Bully: Yo, Imma slam dunk your head into dat dere toilet. Fo shiz.
School Bully: Yo, Imma slam dunk your head into dat dere toilet. Fo shiz.
by Jordan 'Kakansho' Mitchell February 6, 2008

Icy Dunks, a derivitive of drinking festivites in the realm of Shotgunning, is a stunt usually associated with the mysterious and controvercial society known as the Pink Knights of Wooglin. With the support of his fellow knights, a new member is lifted into the air (an illusion to the Dragon), held perpendicular to the ground, and slowly dipped, or a the name describes, dunked head first into the chilled holy water in the Chalise of Knox. The ritual has been connected to several other societies, but is only practiced as a ritual to those in the Pink Knights of Wooglin. No other details are known.
The political advisor was seen in mid air, executing an Ice Dunk, revealing his identity as a Knight of Wooglin.
by Thomas Gordon November 9, 2007
