hollow earther

== English == === Etymology === From hollow +‎ earth +‎ -er. === Noun === hollow earther (plural hollow earthers) Someone who believes the Earth is hollow. 2001, F. Gwynplaine MacIntyre, Macintyre's Improbable Bestiary, Wildside Press, 24. Beware the Hollow-Earther! Beware the troglodytes / They make their homes in catacombs, and prowl on moonless nights . . .