From Wiktionary, the free dictionary
टुकुर-टुकुर • (ṭukur-ṭukur)
- (slang) staringly, looking at something without blinking
वह एक घंटे के लिए टुकुर-टुकुर देख रहा था, तभी समझ नहीं आया।- vah ek ghaṇṭe ke lie ṭukur-ṭukur dekh rahā thā, tabhī samajh nahī̃ āyā.
- He stared at it for an hour, even then he did not understand.
- टुकुर-टुकुर देखना ― ṭukur-ṭukur dekhnā ― to stare