gistfile1.rb

# keith.rb

class << Time
  # The only two times of the day that matter to Keith!
  def now
    ["Bounce 'o' clock", "Tuna 'o' clock"].sample
  end
end

class String
  # Takes a string a prints it in a strong irish accent
  def to_keith
    gsub(/[aeiou]/, 'a').upcase
  end
  
  alias to_keet to_keith
end

# Time.now
# => "Bounce 'o' clock"

# "put it in pivotal tracker".to_keith
# => "PAT AT AN PAVATAL TRACKAR"