giggling behind her hand: 'Thought for 3 seconds, cracked up out loud' meme

The reasoning chain's speedrun: giggling behind her hand — 'Thought for 3 seconds, laughed out loud.' The answer arrived with the question; the comedy is in the instant transmission. Deep thinking isn't always deep, but it's always fast. For every instant-get: bad puns, wordplay, the boss's cold jokes.