U svetu se koristi kao znak upozorenja u baš kritičnim situacijama a u Srbiji merilo seljakluka i prostakluka.
Što duži interval sviranja duži je praziluk iz dupeta.
-Tu Tu! Selja se javlja poznaniku.
-Tuuuu! Video dobru pičku.
-Tuuuuuuuuuu! Lik ispred nije krenuo na žuto.
-Tuuuuuuuuuuuuuuuuuuuuuuuuu Tuuuuuuuuuuuuuuuuuuuuu!!! Ženi mi se šurak, tuuuuuuuuuuuuuu, tuuuuuuuuuuuuuuuuu, pola grada moramo da uzbudimo!!
-Tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu! Ti ga nabijem majke i tebi i ko ti dade ta kola!!!
