To give, take, or put in a quiet, stealthy manner: sneak ones genitalia into one's mouth. (not limited to oral placement).
A game that can be played between two or more people of the opposite and/or same sex.
Although sneak poonging of the same sex can be equally fun it is frowned upon in most cultures.
Dean crept stealthily in the shadows of the night to share his most precious of gifts with his chum Jack, quietly kneeling toward jack's face he set his member gracefully into his mouth with out making so much as a peep.
SURPRISE SURPRISE MY GOOD FRIEND!
You've just been sneak poonged.