look up any word, like trill:
 
1.
another way to say suck dick
Chris, "I got Tiffany to sick duck"

Mars, "Damn fool! You are so dyslectic! How was it?"
by trece August 17, 2008
 
2.
Sickduck is one who is passed out without his glasses on, resembling a sick duck.
"Yo look at sickduck he is fucked up"
by Matt aka sickduck the legend April 16, 2005
 
3.
the art of getting your dick sucked while your girlfriends head is submerged under water. i.e.-pool,river,hot tub, or while puking over a toilet. mainly in the south.
man i was at my cousins house, she was so drunk she gave me a sick duck.
by s1nc3r3 August 17, 2008