It's your other penis that you hide at first but when you feel more comfortable...you show it.
In the new comedy show, New Girl:
Nick says to Jessica: "It's OK, maybe you were right. Maybe i'm not ready for meaningless sex with beautiful women."
Jess says to Nick: "Well, you know, maybe when you are you'll be able to show her your other penis. You're heart penis."
Nick says to Jess: "Get out of my room."
Jess says: "OK." Then leaves his room sheepishly. LoL
And there you go :D
P.s. Watch this show, it's awesome!!