This is the 9190th most frequent Polish word.
thb
"Thb" is not a Polish word. It may be an abbreviation or typo.
Here 'TBH' is used as an abbreviation standing for 'to be honest', commonly used in online and casual communication to indicate sincerity.
Muszę pomyśleć nad tym, TBH.
I need to think about it, TBH.
The usage of 'TBH' in this context denotes the speaker is expressing their honest opinion or expectation about the subject matter.
TBH, spodziewałem się, że będzie lepsze.
TBH, I expected it to be better.
In this sentence, 'TBH' again stands for 'to be honest' and signals a candid and direct sentiment regarding the matter at hand.