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2.
to slap someone in the face with your fallous.
that bitch was playing up so i shdoinked her!
by TCourtzone March 13, 2008
 
1.
A word commonly used by those of homosexual decent indicating they would like a large thick rounded blunt object resembling a penis to be shoved up their rectum.
Hey man how you feeling?
Pretty good man I could really use a sh-doink
by onewaylove April 05, 2011