ultrafrivolous
frivolousity
frivolously
frivolosity
birdbrained
frivolity
frugally
superfrugal
frivolousness
badinage
frivolist
frivolent
narrow-gutted
thriftily
canny
waste
overindulgent
futz
feather-headed
like a spare prick at a wedding
bring owls to Athens
frillily
hassly
fribblish
overobsequious
fecklessly
overventuresome
frugalize
clown around
heavily
thriftlessly
fribble
frumpishly
game
hard
frumpily
dowdily
wouldn't shout if a shark bit him
intemperately
jigamaree
unfrivolous
bad
inopportunely
tight as a duck's arse
kitschily
economize
fifth wheel
hyperobtrusive
overthrifty
overeasiness