The correct spelling for the phrase "giving big cigar" is "giving a big cigar." The word "a" should be inserted between "giving" and "big cigar." The IPA phonetic transcription for this phrase is /ˈɡɪvɪŋ ə bɪɡ sɪˈɡɑr/. The slight pause between "giving" and "a big cigar" is indicated by the symbol "/", which also represents the stress on the first syllable of "giving." It is important to pay attention to the correct spelling and pronunciation when communicating effectively in English.