Synonyms for Clear out:

n.

dash off, abandon, make off, scoot, shoot off, skip out. buzz off, kiss off, take a hike, beat it, butt out. dispose of, brush, clean up, remove, clean, sort out, get rid of, pick up after, straighten up, empty, pick up, tidy, eliminate. go, depart, leave. clear out (noun)
drive out, clean out, expectorate.

v.

empty something (verb)
clean out, dispose of, remove, get rid of, eliminate.
leave, often quickly (verb)
go, take a hike, beat it, depart.

Other synonyms:

scoot, make off, buzz off, skip out, shoot off, dash off, butt out, pick up after. abandon, straighten up. tidy, kiss off. clean up. sort out. brush. clean. pick up. abscond
skip out.
get out
buzz off, take a hike.
leave
leave.
shake up
clean out, clean up.
Other relevant words:
scoot, get rid of, skip out, clean up, tidy, empty, beat it, go, clean, leave, depart, make off, eliminate, dispose of, remove, take a hike.