website that specializes in reposting BBS (2channel, etc.) or social media conversation extracts

(Internet slang) A member of the online 2channel community.

(rare) Eye dialect spelling of チャンネル (channeru), representing cutesy Japanese.

(broadcasting) channel (specific radio frequency or band of frequencies)

imperfective and stem (or continuative) forms of まとめる (matomeru) [ichidan]

collection (of information); summary; aggregation

site / website

sight

(familiar or childish, diminutive) title affixed to people's names: -chan / title affixed to animals

練る: to knead, to polish, to train / 寝る: to sleep