A sneak diss is a bitch move. A sneak diss is when someone makes a rather vague post describing a certain individual in a derogatory way or a situation that multiple people know about, but while describing the person they refrain from using the person's name as to not directly make a connection between the post and the individual. This is a way to keep from being confronted by the post
Dissed Person: Wow, Harold just sneak dissed me on his Snapchat story.
Other Person: Damn, Harold's such a little bitch. Why wouldn't he just say it to your face?
When you're naked and want something from downstairs, and the roommate is out (but could be back at any time). You then run downstairs to "sneak a nakie."
I don't want to get dressed, but our breakfast is downstairs and I don't want the cat to get it. I'm going to sneak a nakie!
The process of sneaking up behind somone or beside them, hugging them and screaming "sneakhug!" as soon as you do it.
Dr. Cox: Nothing ever changes. The Artist Formerly Known as Prince is still just Prince, my ex-wife is still pretty much my wife, 'Grey's Anatomy' always wraps up every episode with some cheesy voiceover that ties together all of the story lines, which incidentally is my least favorite device on television, Newbie continually will try to violate my no touching policy, and Republicans will forever try to raise-
JD: SNEAK HUG! (sneak hugs Dr. Cox)
Dr. Cox: ...Of course, I would gokill him right now, but he actually just helped to prove my point.