Phrasal Verb: Tuck in

Meaning: Tidy the ends of items of clothing by placing them inside something

Example: I forgot to TUCK my shirt IN.

Meaning: Start eating enthusiastically

Example: The dinner smelled so good I couldn't wait to TUCK IN.

Meaning: Arrange the sheets, duvet or blankets to make someone, usually a child, comfortable in bed

Example: He TUCKED her IN and read her a story.