The correct spelling of the phrase "wast pins needles" is actually "was on pins and needles." The sound "wast" should be pronounced as "was" and the phrase means to be anxious or nervous. The IPA phonetic transcription for "was on pins and needles" is /wɑz ɑn pɪnz ˈnɛdəlz/. This is a common mistake in spelling that can lead to miscommunication and confusion, so it's important to double-check before using unfamiliar phrases.