It can be totally random… but not all the times

59

You can (and should if you are healthy) get randomly bricked up yes. Erections are blood flowing through the dick so your body needs to do it every once in awhile excluding sexual relations

46

So I was sitting on a bench one day and a bus drove by 🚎. I was immediately 🧱

22

Sometimes medication causes it as well cuz it’s just dependent on blood vessel dilating

6

Used to but then I got put on heart medication and now if it ever happens without conscious effort it's a gift from God 😭

5

After puberty is over the main reasons for an erected member is excitement or need for urination

4