Top definition
The vacant area located immediately above one's browser window and adjacent to any and all tabs which may or may not be already present.
"If you need a new tab, just double-click in the tablessarium."
by Brian C. and Joe H. March 31, 2008
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May 3 Word of the Day
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)
Monica: Oh yay! I made a new mutual today because we started following & talking to eachother on twitter and we like eachother (so it seems).
by qtheresurrection March 25, 2015
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