When a person unexpectedly sends you a picture of their penis /or naked body. Especially true when you have not said or done anything to encourage the sharing of nudity .
I met this guy online and two emails in I said here's a picture of me at Orlando and the nest thing I know *BAM* Ambush Penis. So that was the end of that.
A woman with a very large penis who is named Joy. Many times lives a seemingly 'normal' life with a husband and kids, but has a large penis. Usually ends with divorce.
The number of digits of pi you can recite straight from memory. (Including the 3 before the decimal place.)
Tim: Dude! I feel so emasculated.
Tom: Why, What happened?
Tim: That little girl's nerdpenis length is 222 digits and mine's only 15...
Tom: That's harsh.