Lexical entry

シックスナイン

shikkusunain

A slang noun for the sexual position 69, and also a way to refer to 99.9999%.

People & Social LifePure GairaigoSemantic ShiftSource uncertain

Meaning

This entry covers both the colloquial sexual sense and the numeric phrase meaning a very high percentage. The sexual sense is the more salient everyday usage.

slang term for the sexual position 69
numeric phrase meaning 99.9999%

Examples

Example Sentences

No public examples have passed review for this entry yet.

バック

The rear part of something, background, or the act of reversing.

サンドイッチファック

A sexual position involving three people.

セックス

The concept of sex, including sexual intercourse and a person's sex or gender.

Evidence and Provenance

Data source: JMdict_english
Revision: JMdict.2026-04-17
Review flags: ambiguous-sense, multiple-category-candidates, localization-needs-review
Active language: English