It's just too hard.
Wo
I'm holding Time Square!
My erection.
An erection can make it past the semis, and still stand up if you sing for it.
Because the pee is silent.
The Harlem Shake
Ten. (Shame this one doesn't work too well for reddit - the funniest part of this joke is the third punchline enjoying people struggle to understand what the hell you're talking about.)
For those of us that struggle with our family perhaps this will help break the ice.