o ... objets trouves

objurate ... obtaining release of

obtains again ... oceanographic

ocelot ... of accord

of age ... of yore

off ... off-broadway

off-center ... offers up

offertory ... ohs well

Oil ... old geezer

old girl ... oldsaw

oldschool ... on assignment

on assumption ... on kip

on knees ... on q.t.

on qt ... on the go

on the grounds ... on top of each other

on top of everything ... one act

one advantage ... one piece

one piece bathing suit ... one-armed bandit

one-armed banditti ... onetwo punches

oneup ... open country

open debate ... opened doors for

opened eyes ... opens ones heart

opens ones mouth ... opprobrious

opprobrium ... orbiculate

orbit ... organization person

organizational ... ostrich feather

otb ... out doing

out done ... out of circulation

out of clear blue sky ... out of the sun

out of the way ... out skull

out smart ... out-fitting

out-flank ... out-skirt

out-smart ... outhit

outhitting ... outstrip

outstripped ... over drawn

over dress ... over reach

over reaches ... over-anxious

over-assertive ... over-layer

over-leap ... over-topped

over-topping ... Overestimation

overexact ... oversalted

oversaw ... owing support

owing to ... ozonosphere