From Wiktionary, the free dictionary
낑구다 • (kkingguda) (infinitive 낑구어 or 낑궈, sequential 낑구니)
- (southwestern Gyeongsang) Alternative form of 찡구다 (jjingguda, “to insert, to fit into”)
옷걸이를 이리 낑가라. (Gyeongsang dialect, Changwon)- Otgeori-reul iri kkinggara.
- Fit the hanger [inside the clothing] like this.