Wall of Shame
From Vita Dev Wiki
See also the great PS4 Wall of Shame.
PS Vita Wall of Shame
<Moolie> well I found what a brick looks like xdxd <Lupo511> did it brick? <Moolie> yep <Lupo511> what happened? <Moolie> I fucked up os0 <Lupo511> yeah, I mean what did actually happen <Moolie> well I deleted some stuff in a folder <Moolie> then now its stuck on ps sign [...] <Moolie> xyz: I deleted everything in os0:sm/