Meaning of 割勘負 in Japanese

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Definition of 割勘負

ふ(fu) 【負】

わりかん(warikan) 【割り勘 ·割勘】

(n) splitting the cost; Dutch treat →Related words: 割り前勘定
食事代を割り勘にした。
We shared the cost of the meal.

おい(oi) 【笈 ·負】

(n) wooden box carried on one's back to store items for a pilgrimage
あ、あれ？なんか・・・すっごい負のオーラを感じますよ？
E-eh? I somehow seem to feel a very threatening aura...

わりかんまけ(warikanmake) 【割り勘負け ·割勘負け】

(n) "loser" of a meal paid for by dutch treat (i.e. the person who eats the least) →Related words: 割り勘勝ち