What weird things did you do as a kid?

When my brother and I were younger like under 6 yrs old we used to suck on my step dads navel. His belly on stuck out a lot like a cinnamon stick. Sometimes it was noticeable through his shirts. My mom thought it was gross, but he didn't mind. He said it tickled when we sucked on it like a pacifier. I guess because it tasted salty. He didn't mind as long as we didn't do it out in public and we eventually grew out of it.