lolman286856 over a year ago I masterbait and i wonder if othe boy at 13 also do. P.S.sorry for the spelling Loading... Heather88280408 over a year ago Yes it is very common for boys to start masturbating at 13. Reply Loading... Hawkman284124 over a year ago There are less 13 year old boys who don't masturbate than those who do. Reply Loading...