This appears to be a misremembered or altered lyric from the song by Elvis Perkins (often associated with a line from his song of the same name, though the exact wording differs).
If you notice sudden changes such as nipple inversion or lumps while waking or dressing, it is recommended to consult a professional as these can be indicators of breast health issues. While You (And Your Big Titties) Were Sleeping...... - IMDb while you and your big titties were sleeping new