Last Updated：2025/11/25
(idiomatic, colloquial) A ritual of two or more persons holding another person by the arms and legs, face up, while bumping them repeatedly on the floor. In modern times it is a lighthearted affair, generally performed only on a young person's birthday with the number of bumps corresponding to the person's age in years. Historically it was a hazing.
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royal bumps
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Source Word
royal bumps
Noun
colloquial
idiomatic
plural
plural-only
(idiomatic,
colloquial)
A
ritual
of
two
or
more
persons
holding
another
person
by
the
arms
and
legs,
face
up,
while
bumping
them
repeatedly
on
the
floor.
In
modern
times
it
is
a
lighthearted
affair,
generally
performed
only
on
a
young
person's
birthday
with
the
number
of
bumps
corresponding
to
the
person's
age
in
years.
Historically
it
was
a
hazing.
Japanese Meaning
（イディオム・口語表現）誕生日などのお祝いの際、複数の人が対象者を腕と足で支え、仰向けに寝かせた状態で床に軽く何度も衝撃を与える儀式。現代では、若い人の誕生日にその年齢と同じ回数のバンプを行う、軽いお祝い事として実施される。 / 歴史的には、この行為はハザリング（いじめや試練の一環）として用いられていた。
Sense（1）
(idiomatic,
colloquial)
A
ritual
of
two
or
more
persons
holding
another
person
by
the
arms
and
legs,
face
up,
while
bumping
them
repeatedly
on
the
floor.
In
modern
times
it
is
a
lighthearted
affair,
generally
performed
only
on
a
young
person's
birthday
with
the
number
of
bumps
corresponding
to
the
person's
age
in
years.
Historically
it
was
a
hazing.
