statistically significant other

A significant other whose status is not created by a agreed-upon relationship status but by how much time is spent with them. Could also be considered a behavioral significant other.

Combination of "statistically significant" and "significant other."

Since he spent twice as much time with Karen as with any of the other girls he was dating, his friends called Karen his statistically significant other.

by Brett Lider February 5, 2009

Significant other

When you don't want to put a label on a relationship. But your involved with someone closer than anyone else.

He's not by my boyfriend but he is my significant other and i will always be his ride-or-die

by Syrenfire May 2, 2016

clinically significant other

A significant other defined by an (undesired) medical condition, not by a agreed-upon relationship status.

Combination of "clinically significant" and "significant other."

They were only dating casually, but when he gave her the Clap, he became her clinically significant other.

by Brett Lider February 5, 2009

(in)significant other

a phrase used to describe the cunt or douche that you used to officially have a relationship with that is still part of your life for whatever stupid reason that you're coming up with.

I took my (in)significant other to lunch yesterday. Not five minutes had passed before she was correcting my grammar and telling me that I was eating with the wrong fork. I LIKE THE LITTLE FORK.

by Milowe October 22, 2010

SIGNIFICANT UDDER

a live-in sex partner with whom you literally "milk" the relationship for its great sex, without the intent of ever having a serious relationship. Very popular among today's youth.

Anne was my significant udder for three years until Debbie came around. After 6 months, I proposed to Debbie, and she became my significant other shortly thereafter.

by weave September 20, 2003

Significant Dent

A specific amount of drink that is drank by members of a party in order to finish a left over pint.

"im stuggling with this pint" said Lawson
"someone put a significant dent in that" said Chris

by nibalata26 January 15, 2010

Significant mother

When a man (often those in the fuckboy category) relies on their girlfriend (significant other) as if they are a parent or guardian; treating your girlfriend like your mother.

Bruh! Don't trip bout that money. His significant mother gets paid Friday, and she'll put him together..

by Clint Beastwood and Baby D February 7, 2018