Similar in meaning to saying "I'll sleep when I'm dead!"

Something a failing high school/college student says when they pull an all-nighter while they stay up studying for finals.
Student: I NEED TO STUDY!

Mother: Ok honey, just make sure to sleep well so you don't fall asleep while taking your test!

Student: Mom, are you crazy?!? I'LL SLEEP WHEN I GRADUATE!
by Schnurpeopolis January 7, 2013
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