look up any word, like blumpkin:
 
1.
someone from Alabama
get off your your brother you sister fucker
by tony's big bologna September 17, 2005
 
2.
One who makes friends with a guy only to get close to his (usually younger) hot sister.
I thought Kevin was my friend... But it turned out he just wanted my sister. What a shameless sister fucker!
by Urban_Fellow June 23, 2006
 
3.
Implies that some one fucks there sister. TO be used in a very derogatory tone. The implication of incest is not acceptable in any culture. It is a very popular saying in India, and will usually result in huge fight when muttered.
Yo Sister Fucker you messed up today's order!
Tobus is such a Sister Fucker!
by Lanus69 April 27, 2012