What does the Gen Z slang 'clock it', used by BJP MP in Lok Sabha, mean?

BJP MP Bansuri Swaraj said "PM Narendra Modi clocked it" while speaking in support of the anti-paper leak Bill in Lok Sabha on Tuesday. The Gen Z slang "clock it" means to state an unspoken truth and is also used to denote "you nailed it" feeling. The term is signified by tapping the thumb and index finger together.