Expression used all the time by most people
(ten) teges, (nie) teges • A very broadly used wildcard word meaning "something". Can mean an undisclosed activity, can also be used to describe something "fishy" (nie teges).
#1 "No dobra, wszystko jest, robimy coś teges?" "No to dawaj" #2 "Coś jest z nim nie teges"
#1 "Alright, we've got everything, we're doing this?" "Let's go" #2 "There's something fishy about him"