Clocked Share definition Flag Predominantly used in London. To 'clock' is: to realise, to catch on, to notice. 1.) Shit! he clocked that i stole his phone. 2.) She clocked that something was wrong. Clocked by martelldesu March 19, 2015 0 0 Get merch Get the Clocked mug. Buy Now — $32.95 See more merch