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2.
(v.) to cum in another man's foreskin and let it crust overnight.
I'm done with nestling, let's crestle tonight!
by Urban Legend June 10, 2008
 
1.
To create something worth a crest. To create something heraldic or something identifiable. To give an Identity.

Crest is a symbol/component of an heraldic display. Crestle is like an adjective for making something worth a Crest.
The tailor prayed the angel to Bedazzle the queen's clothes, the oracle prayed the angels to Crestle the new found Kingdom.
by Nico Goun February 05, 2013