マウント

まうんと
noun, suru verb
flexing; showing superiority; one-upping
1. flexing; showing superiority
The act of asserting dominance or superiority over others, often in a subtle or indirect way. Modern slang derived from the concept of 'mounting' in animal behavior.
彼女(かのじょ)はいつもマウントを()ってくる。
She's always trying to one-up others.
SNSでマウントを()(ひと)(おお)い。
There are many people who flex on social media.
それってマウントじゃない?
Isn't that just flexing?

ORIGIN:
From English "mount," referring to the dominant position in animal behavior (one animal mounting another). Became internet/youth slang around 2010s.

COMMON PATTERNS:

  • マウントを()る: to flex; to assert dominance
  • マウントを()られる: to be one-upped
  • 無意識(むいしき)のマウント: unconscious flexing

CONTEXT:

Often seen in:

  • ママ友(ままとも) (mom friend) circles - competing about children
  • Social media - humble bragging
  • Workplace - subtle displays of status

TONE:
Usually negative, implying the person is annoying or insecure.

ALTERNATIVE EXPRESSIONS:

  • 自慢(じまん): bragging (more direct)
  • (うえ)から目線(めせん): looking down on others