cartwheel
flip turn
crack up
balloon
stack
porpoise
crater
touchdown
dunch
overtumble
go down
relapse
turn turtle
bomb
tumble in
plough into
plow into
crashy
knockdown
crackup
drift
crashingly
mixer
downcome
topsy-turvy
tailstrike
bum-rush
tumble
barrel roll
swoop
excursion
turn upside down
Immelmann turn
stack it
scuttle
transverse
turtle
overfall
controlled flight into terrain
bring down
tipple
capsize
up-end
fold
wamble
fall
crashlike
bum squabbled
ruinate
high-centre
drifting
high-center
high centre
high center
lay low
auger in
handbrake turn
skell
overdrop
overturn
fall down
misflip
retire
tip
submarine
flippable
keel over
upending
revolt
inversion
reflex
end off
cropper
turn on its head
wrap one's head around
collect
incidence
decline
tumbling
teetering
sweep
settle
descend
take a tumble
takedown
prang
arse over tip
overbend
slip
flop
overslip
sie
crash landing
fell off the turnip truck
three-pointer
bug out