You mean small. Diminutive as a boy. Which is short or of short length. Low stature, dwarf. Nickname given in Colombia to actor and presenter Hugo Pérez. Nickname with which the Argentine goalkeeper Sergio Germán Romero is known.
1st_ Boy's Diminutive (in any of his meanings). 2nd_ Anus . See the little one.
Chiquito, is the name given to the anus in colloquial language, especially to the anus of women.