TSK

tsk, tut, tut-tut

(verb) utter ‘tsk,’ ‘tut,’ or ‘tut-tut,’ as in disapproval

Source: WordNet® 3.1

Etymology

Interjection

tsk

An exclamation of disapproval, disappointment or discontent.

Synonyms

• See Thesaurus:tut tut

Verb

tsk (third-person singular simple present tsks, present participle tsking, simple past and past participle tsked)

(intransitive) To make a tsk sound of disapproval.

Anagrams

• Skt., kts, tks

Source: Wiktionary