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1.
The act of simultaneously being married to one person, while engaged to be married to another.
Jetson: "Did you hear, Duke is engaged to Christy!"
Astin: "But he's still married to Wanda! That's semi bigamous!"
by Flap Jackson October 03, 2006
 
2.
semi bigamous
The act of simultaneously being married to one person, while engaged to be married to another.
Jetson: "Did you hear, Duke is engaged to Christy!"
Astin: "But he's still married to Wanda! That's semi bigamous!"
by Flap Jackson October 04, 2006