The meaning of OBO is “or best offer”.
The abbreviation can be encountered on trade sites, as well as social media sites, mostly preceded by a target price.
The origin of “obo” is shrouded in mystery, as it is quite the oblivious abbreviation, compared to the more popular ones.
However, it can be traced back to the turn of the millennium, when most of the internet abbreviations were created on forums and message boards.
“Obo” appeared on Urban Dictionary in 2003, making a quick recap available on its meaning.
Today, it can be encountered on trade sites, as well as social media sites, as of late, since people are eagerly practicing commerce on Facebook as well as Instagram.