noun
Twitter (jocular); stupidity detector (literal)
Humorous nickname for Twitter, implying that using it reveals people's foolishness. The kanji 発券 (ticket issuing) is a pun on 発見 (discovery).
またバカ発券器で時間を無駄にした。
I wasted time on Twitter again.
バカ発券器を見てると、世の中には本当にいろんな人がいるなと思う。
When I look at Twitter, I realize there really are all kinds of people in the world.
Standard neutral term for Twitter. バカ発券器 is a jocular, derogatory nickname.
A jocular coinage blending バカ (fool) and 発見器 (detector), with a pun replacing 発見 with 発券 (ticket issuing). The exact origin is uncertain, but it spread as internet slang.