snuck

verb

• To creep or go stealthily; to come or go while trying to avoid detection, as a person who does not wish to be seen.

  "He decided to sneak into the kitchen for a second cookie while his mom was on the phone."

• To take something stealthily without permission.

  "I went to sneak a chocolate but my dad caught me."

• (ditransitive) To stealthily bring someone something.

  "She asked me to sneak her a phone next month."

• To hide, especially in a mean or cowardly manner.
• (with on) To inform an authority of another's misdemeanours.

  "If you sneak on me I'll bash you!"