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1.
A name for the character Shinku from Rozen Maiden, often from fans who despise her.
Fan #1: Shinku's attitude is so refreshing and she's sooooo cute!

Fan #2: Stinku is a pompous arrogant bitch ass.

Fan #1: :O le gaspeth, oh no you didn't. . .(explodes)
by TheOneWhoSee'sYou December 07, 2008
 
2.
Another slang name for the 'butt' or 'bottom'. Other forms are the 'stinkus hole', the 'stinkus liquid', 'stinkusing', and 'stinkus'd'.
Justin Bieber fell on his stinkus and yelped in pain.
by Mr. Chalupa February 26, 2012