When something (ex. a building, a person, a place, etc.) is ugly, grey, lame, un-original or cheap.
Reply to a joke: "You're so obos"

"That place was so obos"

"Stop being obos"
by Oslogutten November 14, 2022
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you are not bothered to look up a Lennyface, so you try to make your own.
GET NOSCOPED! (ObO) (ObO) (ObO)
by FrobFrob October 1, 2020
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Awful smell that the anime-cons and similar shitty things emanate
This slang/greeting is mostly used in Mexico as ligma/sugma counterpart
Mexican Spanish.- Esta madre huele a obo
by ponystation4 June 10, 2019
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