1
general::
sandwich sth together
[ M ]
to put a layer of something between two things which sticks them together
• I sandwiched the cakes together with chocolate butter cream., sandwich sb/sth between sb/sth
[ usually passive ] informal
If you are sandwiched between two people or things, you are in a small space between them
• On the train I was sandwiched between two very large men.
Cambridge-Phrasal Verbs
2
general::
noun ADJ. cheese, ham, etc. | toasted | open | club QUANT. round VERB + SANDWICH make He made two rounds of tuna sandwiches. | bite into, eat, have, munch, take a bite of SANDWICH + NOUN filling | bag, box | bar PREP. in a/the ~ What would you like in your sandwich?
Oxford Collocations Dictionary