Related Clues:
- Photobomb Bono's pal from a little distance away?
- Furtively 67-Across
- Parallel-park, e.g
- Don, as pajamas
- Photobomb a lot from delegation
- Enter by sidling
- Sidle through, say
- Enter at the last minute
- Enter with caution
- Enter undetected and transgress, bagging duck
- Slowly enter
- Enter unobtrusively
- Put on, as a nightgown