mota-mota
Acting clumsily and taking too long, being inefficient. Often used critically when someone is holding others up.
💡At a ticket gate — 'Don't mota-mota at the gate, people are waiting!'
改札口でもたもたしないでください。
Please don't mota-mota at the ticket gate.
Stop ___ and hurry up, the train is leaving!
○○しないで急いで、電車が出るよ！