significant other

Having a "special someone" in your life who causes you to submit gag-inducing, flowery descriptions of them to UD; usually descriptions include how amazing they are at their sport of choice, how large their genitalia are, and how incredibly hot they are. May also include line about how they are occasionally a jerk.
Jill: OMG! I'm going to send UD a def about my significant other Ryan, because he's just SO hawt and sexay, and he's so awesome at football, and he gives such good head! Except when he's a jerk, I mean.
by Antipoet41 June 30, 2011
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Significant Other

Someone you don't have.

Okay you probably do. Significant other is someone that you love, someone you feel affectionate towards. Someone you proudly call yours and also the person who proudly calls you theirs.

How sweet.
Some guy: Hey, you single?
You or literally anyone: I have a significant other. Therefore, I am not single.
Some guy: .....Three-wa-
You or literally anyone: Absolutely not.
by Professional TikTok Ruiner October 27, 2019
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significant other

when you're "dating" only one person, but the official title of boyfriend/girlfriend does not exist.
karen: so you and nick are dating?
me: no. he's my significant other.
karen: what's that?
me: we only see each other but we don't have the official title. i.e. he's my significant other.
by miss monique June 13, 2008
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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 05, 2009
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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 05, 2009
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moderately significant other

A person with whom one shared a special relationship that is somewhat more than simply as friend, but not not quite the level of "significant other." May be former or future significant other, or even someone whom will never have that status. Some "best friends" qualify, but not nearly all do. A sexual component to the relationship is quite common, though it is not required.

Note: A sexual component does not automatically raise a friend to moderately significant other status, rather it is the strength of the bond between the two parties.
"I haven't had a girlfriend in a while, so I've been spending a lot of time with my moderately significant other, and we've even gone to a few weddings together. But somehow, we've never quite gone out."
by ceolaf2 September 01, 2009
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Semi-significant other

A person you are dating casually, but is potentially a keeper.
I thought you and Kimberly were monogamous.
Well, she is a semi-significant other, but we haven't committed to anything yet, so I'll keep trolling while I wait for her to get serious.
by Obscure One November 18, 2016
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