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1.
An unnatural, inorganic two-person group that acts as one. A smegan couple also spends an inordinate amount of time together. While not healthy for either component of the formerly two person group, Smegan means very well and is not toxic to surrounding members of the community.
Q: Who's all going to dinner?
A: Just Smegan and Alex.
by sghaterz September 12, 2011
 
2.
A person whose dietary intake is limited to dick cheese or head cheese (smegma).
That chick over there is a smegan,You can tell by her breath.
by wolfbait51 June 05, 2011
 
3.
An idiot, stupid person.
"Would someone tell this smegan to shut up"
by sparkneon October 06, 2005