Jasonius insult generator

insult.bash

#!/bin/bash

# insult.bash: insult generator inspired by a picture I saw on Imgur
# Copyright © 2016, Ramsey Dow. All rights reserved.
# SPDX-License-Identifier: BSD-2-Clause

shopt -s extglob
declare -a alpha=(lazy stupid insecure idiotic slimy slutty smelly
  pompous communist dicknose pie-eating racist elitist 'white trash'
  drug-loving butterface 'tone deaf' ugly creepy
  )
declare -a beta=(douche ass turd rectum butt cock shit crotch bitch
  fart prick slut taint fuck dick boner shart nut sphincter
  )
declare -a gamma=(pilot canoe captain pirate hammer knob box jockey
  nazi waffle goblin blossum biscuit clown socket monster hound dragon
  balloon
  )
index=$((RANDOM % 18))
case ${alpha[$index]:0:1} in
  @(a|e|i|o|u)) article=an ;;
  *) article=a ;;
esac
echo "You know what? You're nothing but $article ${alpha[$index]} ${beta[$((RANDOM % 18))]} ${gamma[$((RANDOM % 18))]}."
exit 0