eberflus
To eberflus is to be so clueless you miss every single event, even when the clock is yelling at you like a toddler who just got kicked out of a party.
I eberflused my meeting because I thought it was on Monday, not Monday morning.
He eberflused the concert by falling asleep and waking up at the encore.
She eberflused her job interview by showing up two hours late and in pajamas.