The very first word in the Urban Dictionary.
 is just a pretending-to-be-first fake.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)

this is known as the first definition in urbandictionary.com. Although it isnt slang and there isnt much of a pronouciation its still very nice to have on your shoulder!

This is the Start of Heading character in the Unicode standard. It used to mark a non-data section of a data stream, when that was needed. It is also the first alphabetically-sorted term on Urban Dictionary. It looks invisible here.