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1.
1.that random time of the day when your heart stops beating and you skip like ten heart beats and you cant breathe because some one you totally adored / loved just popped up in your mind or when you run into them at a social gathering, place of employment, or school.
2. whenever something reminds you of the one who meant everything to you and brings reality crushing down on you killing you slowly
1.

*three friends are walking

guy 1: so yea and then i'm like......
*girl walks by
guy 2: hey dude why'd you stop?
guy 3: shit! its death'oclock
guy 2: huh?
guy3: that chick meant everything to him

2.

dude: she loved law and order special victims unit!
bro: dude! get over it! death'o clock was 5 minutes ago when you saw a post on facebook about her and a hour before that! when you kept agreeing with me about wat you like so much about skittles!
by beatskipper February 01, 2011