A young boy that has qualities of a man.
"My little manchild has grown out of his clothes"
"Some kids act and dress older than kids his age, hes a little manchild"
A manchild is someone who never takes responsibility for his mistakes or wrongdoings, lies constantly, and accuses every press report that reflects negatively on him of being "fake".
Trump. Him and anything associated to his madness.
Oh look at that manchild! He doesn't even know what tariffs are.
a teenager who is so large he could be a full grown man
"Brosef, you see that new kid Ian? what a manchild!"
Rush Limbaugh is such a fucking manchild and nobody likes him.
a very large husky, hot, sexy, steamy man who can drink beer for breakfast and often grunts in the AM