Adjective curled up has 1 sense
  1. curled, curled up - drawn up into a ball; "she lay curled up in a big armchair"
    Antonyms: uncoiled, straight (indirect, via coiled)
,Verb curl up has 1 sense
  1. curl up, curl, draw in - shape one's body into a curl; "She curled farther down under the covers"; "She fell and drew in"
    --1 is one way to bend, flex
    Sample sentences:
    Something is ----ing PP
    Somebody ----s PP
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