Real Dictionary

do-si-do in American English
a movement in various folk dances, in which two dancers approach each other, pass back to back, and return to their original positions
to execute a do-si-do (with)
intransitive verb: to execute a do-si-do
noun: a figure in square-dancing, in which two persons advance, pass around each other back to back, and return to their places
transitive verb: to dance this figure around (one's partner)

do-si-do in British English
noun: a square-dance figure in which dancers pass each other with right shoulders close or touching and circle back to back
sentence substitute: a call instructing dancers to perform such a figure