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1.
To jump over another person and put ones nuts on the back of the other persons head
Nigga I just schweined yo ass, my nuts were on your neck.
by Jnasty31 May 10, 2013
 
2.
German word for pig. In German, can be used as a highly derogatory term coming close to the meanings of "asshole" or "douchebag." Can also be used in colloquial English.
Jerry decided to keyscratch "jer waz here" on the side of the Logan's car last week. What a schwein.
by N64gen January 29, 2009