SigOth

Abbreviation for significant other.

There were two tickets left, just enough for you and your SigOth.

Sigoth

An abbreviation for "significant other."

Oh, you've been seeing them a lot lately. Are they your sigoth?

Sigother

N. Love interest or committed companion/partner. Abbreviation for "Significant Other"

My sigother and I have been together for 4 years.