The act before your penis becomes erect due to
factors such as seeing a woman and/or man that gets you horny. Normally, you get a warm,
tingly feeling then your penis shoots up and your genitals start
pumping up some sperm.
Tom: Hey, look at
Becca there. Gosh, she has a
smokin' hot bod.
Jerry: Yeah man! Yeah! She's giving me that Tingly Dingly!