When oral sex is engaged with an elderly male and he ejaculates wherever and the old man juice must be dried before the "Old Man Crunch" can be done. Once dried, take the dried old man juice, put it in ones mouth and make out.
(After ejaculation into the woman's hand.)
Woman: Cleetus, I think it's about dry!
Cleetus (Old Man): Alright lets boogie.
Woman: *Puts dried Cleetus juice in mouth and starts making out with Cleetus*
The "Old Man Crunch" has been completed.