It may stick straight out, or curve up or down. When you have an erection, your penis gets bigger and harder. An erection is when blood flows into your penis faster than it flows out, and makes the spongy tissue in your penis swell. There are lots of nicknames for erections.
What’s an erection? Why does it happen?īoner. Erections, ejaculation (cumming), and wet dreams are normal parts of puberty for anyone with a penis.
