schtik
⇨ shtick; schtick; shtik; schtiknoun
1
a theatrical routine, an act; hence a style, routine or behaviour. From German stück (a bit, a piece) into Yiddish, and thence more widespread US, 1961.
2
an area of interest. From the Yiddish for 'piece' or 'play' US, 1968