Couple-ish-ness-ism 

1 Being a couple
2 Acting in everyway like a couple eg, finishing each others sentences

"He took that sentence right outta my mouth"
"soon you'll b finishing each others sentences, oh god, the couple-ish-ness-ism has started"

Couple-ish-ness-ism by Brookey N June 18, 2006