English is a funny language with many interesting words.
BRR – The way you tell people that it is very chilly.
HMM – Accepted (in addition to “hm”) as a sound of contemplation.
When you are thinking more, it is “hmm” instead of “hm.”
NTH – Having the quality of being the last in a series of infinitely
increasing or decreasing values. (As in, “the nth degree.”)
PHT – An interjection used to signify mild annoyance or
SHH – A way to urge someone to be quiet.
TSK – An interjection often used in quick repetition like “tsktsk”
to express contempt or disdain.
PFFT – A way to express that something is dying or fizzling out.
PSST – Used to attract someone’s attention.