Top definition
When your significant other looks like they could be your sibling.
BUDDY: Did you see Pat's sibnificant other?

BRO: Yea, dude, name's Kelly, and I know what you mean. I agree 100%.

BUDDY: Maybe they should have a heart to heart with their parents, or get some DNA testing.

BRO: Really, that's some freaky shit. I'm not sure that that's just a coincidence, I mean, they just look way too much alike!
by Gene Splicer June 10, 2006
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