This is a sexual act, where the male participant enters the female vagina, just like sex, except the male can't get hard. Sometimes beacuse the male has had too much sexual activity within a short period of time, or just because he's an impatent Runt.
Floppy Dick Drive
Women: "Is it in?"
Man: "erm..."
A game primarily played on public transport, between two or more men. Each player arranges his dick in such a way as to be visible to the embarking passengers. Gradually, as different types of people get on, each manwill reach his personal limit and quickly hide his dick away. The boldest, coldest, bravest, don't-give-a-damn guy whose dick stays out the longest is the winner. Usually the prize is just glory, but that's okay with most.
Dave doesn't care who sees his dick as they get on the bus, he's the dick chicken king of the world!
One who uses google image results to fetch pictures of penis(es) for enjoyment. Generally erect in nature, but cases of flaccid dick googling has been cited.
"Kevin is such a dickgoogler, his internet history is chock full of cocks."
You're watching porn, and then you see something on screen that looks a lot like the something in your hand. Your dick twin! And suddenly, you feel a lot better about yourself. Suddenly, you feel like you're having sex yourself! Depending on what's done in the situation, 'dick twin' can be both a verb and a noun, and it can be both the actor on screen, and the little actor who gets way more screen time.