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1.
In a marriage doomed for failure, the measurement of length used primarily for betting purposes of the groom's friends.
I can't believe he's marrying that psychopath. Wife expectancy of two years, max.
by Spyrokeet April 05, 2007
 
2.
After a male has been diagnosed with a fiance, the period remaining to engage in guys' night activities before the wedding/shackle fitting ceremony.
Did you hear Brando's getting married this weekend?
Yeah dude, wife expectancy of like three days.
We're gonna need another keg.
by Spyrokeet October 05, 2007