It was in the newsfeed...

[from urbandictionary.com]

It was in the newsfeed

An excuse you can use after Facebook creeping and getting caught. It always works, though the suspicious individual will likely remain skeptical.

Sarah: "Are you creeping on me? How did you know I commented on that picture?" 
Derek: "No, it was in the news feed!"

Sugar honey iced tea

It means "SHIT", you just say Sugar Honey Iced Tea when you can't openly swear.

"OH! Sugar Honey Iced Tea!!!"

Healthy

A more politically correct word commonly used to mean "fat" or "chubby". Ironically, the person in question is generally not healthy in the classic sense, although well-fed.

Snowbooking

To constantly update your status or post on Facebook during a snowstorm. Normally, because your stuck inside and bored out of your mind.
Also can be used to describe Facebook users who constantly discuss, complain, or post pictures about a snow storm.

Sarah must be snowed in and bored, because she's been snowbooking since the storm started.
The roads haven't been plowed so everyone's snowbooking.

Urban Dictionary Cover Up

The act of scrambling onto UrbanDictionary.com to quickly find out the definition of a word, usually when used over texts or IM. Used to cover up the fact that you did not know the meaning of the word prior to its use.

Commonly abbreviated to UDCU.

Person A: "yo dude, that jam was live last night." 
Person B: *quickly does an urban dictionary cover-up* 
"yeah, that was a pretty cool party."

Audience typing 

When a person's typing abilities degrade when they must type in front of others, leading to misspelled words, improper capitalisation and most likely resulting in blushing.
Worse if that other person is an older relative or someone you respect.

Father asks, "Put Manchester United into Google there for me"
Son, "Sure"
Results in - "Manchetser UNited" being typed into Google.