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1. A man who was once a hard donny...drinker, rager and all around badass who - due to engaging in an exclusive monogamous relationship- has now become like melted soft serve ice cream relinquishing all of his past friendships and overall beast mentality for a life of Netflix and missionary sexual intercourse.

2. Flaccid penis
Soft donny spends his Friday nights watching Gilmore Girls with his Girl friend.

Last night my boyfriend had a soft donny.

I
by beepbopboopbeep January 10, 2015
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Jun 24 Word of the Day
An exclamation made when your friends or family are teasing you to a point where you can't handle it anymore and a hissy fit is in order.

Derived from a YouTube user's famed outburst following Britney's lackluster performance at the 2007 VMA's.
Sarah: 'OMG Susan, I can't believe you are wearing the same skirt as yesterday. Oh, and by the way, EVERYONE knows what you did with Kevin on the weekend. Plus you look a little fat, are you retaining water?'

Susan: 'LEAVE BRITNEY ALONE!'
by Billy Chickenhole September 15, 2007
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