デ
　
カ
じり
尻

noun

Colloquialism.
  1. large ass, large arse, big bum, big butt.

Variations

Pronunciation Kanji Kana Is Common
　
デ
　
カ
じり
尻
 デカ尻 デカじり

Contained Kanji Breakdown

buttocks, hips, butt
しり　コウ　がみ (Late High School)
corpse, remains, flag radical (no. 44)
シ　かたしろ (Kentei 1)
nine
キュウ　ク　ここの (1st, N5)