Definition from Wiktionary, the free dictionary
Coined by an anonymous user on the site 4chan in 2007. It combines Rick, Astley's given name, with roll, in a reference to a 2005 prank on the site that replaced the string "egg" with "duck", famously resulting in duckroll, where eggroll was meant.
- (Internet slang, transitive, neologism) To coax one into clicking on a hyperlink which leads to something other than what is claimed, originating with YouTube videos of Rick Astley's song Never Gonna Give You Up.
- (transitive, neologism, by extension) To harass with misleading hyperlinks of this kind.