noun
my son; one's own son
Humble term used when referring to one's own son in front of others. Conveys modesty about one's family.
See also: 倅
うちの小倅がお世話になっております。
My son is in your care.
noun
you little brat; you little bastard
Derogatory term used to address or refer to a young male, often with contempt or irritation. Not humble; can be insulting.
See also: 倅
この小倅が！何を言ってるんだ。
You little brat! What are you saying?
Compound of 小 (ko, 'small') and 倅 (segare, 'son'). The exact origin of 倅 is uncertain, but it has long been used as a humble or derogatory term for one's own or another's son.