cock unveiling 

The moment where the cock is first taken out of the pants, generally with another person's face right in front of the cock when it comes out. Oohs & Ahhs are very acceptable at this time.

She had the sexiest look on her face during my cock unveiling.

cock unveiling by Cocktail Sauce #1 March 12, 2009

plate unveiling

A coming out party.

Joy: "did you hear about Craig and Dustin's admission of sweet love for each other?"
Terri: "oh yeah, I went to their Plate Unveiling"

plate unveiling by DrewPurdue March 15, 2019