Defined as to annoy or pester, this word came about when "P-O-A-D" kept appearing in various games of Boggle and annoyed people by its persistent, irrelevent presence.
Person One: And I really do think that my shoes smell good....I mean, they're lavender flavored....and I've only worn them three times....and there isn't anything growing on them....what do you think?
Person Two: ....Bloo.