一本取いっぽんとる

1. 1to score an ippon ; to score a full point (in judo, kendo, etc.) Translated by Jiyomi
2. 2to one-up (someone) ; to defeat (in an argument) ; to score (against someone) Translated by Jiyomi

Other writings and readings

Kanji · tap to open

JMdict entry 1859020. Source and licence.