すけ デコ助 LinksSentence search for デコ助Sentence search for デコすけSentence search for でこ助Sentence search for でこすけSentence search for 凸助Sentence search for デコスケKanji details for 助Edit in JMdict Noun1. big forehead; fivehead; assholeDerogatory, Usually written using kana alone, Kantou dialectOther formsでこ助 【でこすけ】、凸助 【でこすけ】、デコスケ Discussions Log in to talk about this word.