A fork of Rural Dictionary
Meaning "off-line" o=off 7=line, from the constellation orion's inner six stars. The outside four appear square, as if framing the contents. Of the six inner stars three are much brighter, forming a prominent line. The six together form a Hebrew letter backwards. The Hebrew alphabet is used to count sometimes. The six form the seventh letter backwards, the zion.
The live streamer went o7 when the signal got weak. The chat was filled with o7 when the stream was temporarily interrupted by the stadium walls.