This Scottish poet rhymed "purple" with "curple" (meaning "the rump")
[DOC] [TLE] hirple [PAR] Hirple definition at Dictionary.com, a free online dictionary with pronunciation, ... 
to rhyme with 'purple' thereby denouncing the myth that nothing rhymes with 
purple ... A word of unknown origin, first recorded in Scots sources from the late 
fifteenth ... curple: The hindquarters or the rump of a horse, a strap under the girth 
of a... [DOC] [TLE] Series 1, Episode 5 - QI Transcripts dot com - Sites - Google [PAR] Raphanizein is therefore a verb meaning "to insert a radish into the fundament".