channer

noun — 3 senses

noun

A flat fragment of sandstone, slate, etc. found in soil.

noun

Etymology From chan + -er.

Internet A user of the imageboard site 4chan; a 4channer.

This is just one of a number of so-called 'false flag' operations undertaken by 'channers' in an effort to infiltrate and undermine progressive social movements.2016, Michael Salter, Crime, Justice and Social Media:

Broadly A user of other imageboard sites similar to 4chan.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.