"Knack of time" (American English expression): When you wake up after noon hungover and dehydrated but still manage to annoy tf out of your friends and make it to a recreational activity several hours late.
Although she awoke with a raspy shriek of a voice still grasping a Tomahawk Steak bone from the night before, she managed pack a light bag of essentials and arrived to the river just in the Knaack of Time for a totally tubular rafting adventure!