1
general::
Phrase(s): tuck something away
1. Lit. to hide or store something away. • Tuck this away where you can find it later. • Can you tuck away this money somewhere? 2. Fig. to eat something. • The boys tucked away three pizzas and an apple pie. • When I was younger, I could tuck away my dinner in no time at all.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Eat heartily, as in He tucked away an enormous steak. [Colloquial; mid-1800s] Also see TUCK INTO. 1. 2. Hide, put in storage, as in She had several hundred dollars tucked away. [c. 1900]
American Heritage Idioms