あたま
頭
　
で
　
っ
　
か
　
ち

adjectival noun or quasi-adjective, takes genitive case の, noun

  1. top-heavy.
  2. big-headed.
  3. overly-theoretical.

Variations

Pronunciation Kanji Kana Is Common
あたま
頭
　
で
　
っ
　
か
　
ち
 頭でっかち あたまでっかち

Contained Kanji Breakdown

head, counter for large animals
あたま　トウ　ズ (2nd, N3)
beans, pea, midget
まめ　トウ　ズ (3rd, N1)
delicious(旨) variant
one, one radical (no.1)
イチ　いっ　ひと- (1st, N5)
mouth
くち　コウ　ク (1st, N4)
grass, straw, herbs
to divide
page, leaf
ケツ　ぺえじ　おおがい (Kentei Pre-1)
neck(首) variant
oneself
ジ　みずか.ら　おの.ずから (2nd, N4)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
eye, class, look
め　モク　ボク (1st, N4)
eight, eight radical (no. 12)
ハチ　や　はっ (1st, N5)