What is the poem i was a skinny tomboy kid based on?

The poem you're referencing, "I Was a Skinny Tomboy Kid," is a popular internet poem that has been shared widely online, particularly on social media platforms. However, it is not based on any specific known work of literature or traditional poetry.

There is no known author or original source for this poem, making it a folk poem or anonymous poem. It is likely that the poem was created and shared online by an individual or a group, but its origins are unclear.

Despite its lack of a definitive author or source, the poem resonated with many people who shared similar experiences and found comfort in its relatable themes of childhood, self-expression, and finding one's place.