（お）としだま

money given as a New Year's gift

Note

[otoshidama]…is a New Year's gift of money, given to children by parents and relatives.

from child

おしょうがつに　かぞくから　おとしだまを　もらいました。

I got a lot of otoshidama from my relatives during the new year.

さんたくろーす

Santa Claus
（お）せいぼ

gift for a person whose care you are under, e.g. doctor, teacher, boss, etc. ; a year-end gift.
（お）ちゅうげん

gift for a person whose care you are under, e.g. doctor, teacher, boss, etc. ; a midsummer (midyear) gift.
（お）いわい

celebration ; gift
おごる

to treat