Compounds of 割り勘

• 割り勘
  (n) (abbr) splitting the cost
  Dutch treat
  (P)
• 割り勘勝ち
  (n) (sl) "winner" of a meal paid for by dutch treat (i.e. the person who eats the most)
• 割り勘負け
  (n) (sl) "loser" of a meal paid for by dutch treat (i.e. the person who eats the least)