ETYMOLOGY
etymology and original form obscure; it is believed to be a combination of prink (to deck oneself) or prim and cock (a young man), implying a vain or overly confident youth
EXAMPLE
“… Acolastus: Wylt thou gold .i. any pieces of golde?
Lais.: This chayne my lyttell prycke [Latin mea mentula] .i. I wolde fayne haue this chayne (of golde) my pretye pryncockes, or my ballocke stones. …”
From: The Comedye of Acolastus
By: Gulielmus Gnapheus
Translated by: John Palsgrave, 1540
Lexicophilia 