look up any word, like darude - sandstorm:
 
36.
a whale's penis; is not usually seen or known to exist.
"Sometimes doinks can be 2 feet long!"
by lelithia May 04, 2007
 
37.
a word exclaimed while pointing to one's groin area with both the index and middle fingers on each hand after seeing someone they would like to have sexual intercourse with.
an attractive young female walks by a group of young males, resulting in the most arrogant yet humurous young male of the group turning around to face her while gesturing and exclaiming "DOINK!".
by hillsyeah April 16, 2005
 
38.
To add a person to your watched user list on message boards/forums.
I doinked Ebon but he hasn't doinked me.
by Camii April 28, 2005
 
39.
when you have to take a big shit
"ahh man, i gotta doink!"
by fal4751 February 28, 2006