toqus
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tank
verb
to
fail
or
fall
in
value
very
suddenly
•
The
company's
shares
tanked
after
the
disappointing
earnings
report
.
The
company's
shares
tanked
after
the
disappointing
earnings
report
.
•
His
energy
tanks
whenever
he
skips
breakfast
.
His
energy
tanks
whenever
he
skips
breakfast
.
Originated
in
U
.
S
.
slang
in
the
1980s
,
probably
from
the
idea
of
sinking
to
the
bottom
like
a
heavy
tank
.
verb
to
deliberately
lose
a
game
,
match
,
or
test
on
purpose
•
Some
fans
accused
the
team
of
tanking
the
last
few
matches
to
get
a
better
draft
pick
.
Some
fans
accused
the
team
of
tanking
the
last
few
matches
to
get
a
better
draft
pick
.
•
He
tanked
the
exam
because
he
wanted
to
retake
the
course
with
his
friends
.
He
tanked
the
exam
because
he
wanted
to
retake
the
course
with
his
friends
.
Emerging
from
U
.
S
.
sports
slang
in
the
1970s
,
possibly
influenced
by
earlier
sense
of
'sink'
or
'bottom
out'
.