Pantsu

1955slangclassic

Published September 20, 2026

Pantsu is the Japanese phonetic word for panties, adopted into anime and manga as a fanservice term in the ecchi genre. The word grew out of the older slang Panchira and became a fandom shorthand for underwear-focused anime content, with named variants like Shimapan still recognized across otaku communities today.

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Overview

In anime and manga, pantsu appears as fanservice that hints at indecency without full nudity, most often through upskirt shots, exposed thighs, or characters in states of partial undress3. The trope belongs to the ecchi genre, which builds around suggestive framing rather than explicit content3. Fans divide the imagery into named subtypes: Shimapan for striped panties, Misepan for intentionally shown pants, and Panmoro for a fully exposed view4.

The word carries a mocking edge outside Japan, where English-speaking anime fans use it half-ironically to point at otaku obsession2. Urban Dictionary entries note that pantsu can also refer to male briefs when read in strict Japanese contexts, though English usage almost always ties the word to women's underwear and the ecchi tradition2.

Origin & Background

Platform
Anime and manga (spread on 2channel and 4chan)
Date
1955

The word pantsu is a direct phonetic borrowing of the English "pants" into Japanese, with the final "u" barely pronounced in native speech2. Its cultural pull inside otaku circles most likely descends from Panchira, an older Japanese term for a fleeting glimpse of panty that grew common in postwar entertainment1.

The underwear-as-fanservice tradition traces back to 1955, when photos of Marilyn Monroe's white dress lifting over a subway grate reached Japan during a period of heavy cross-cultural exchange with the West4. That imagery filtered into advertising and then into manga art, laying groundwork for what became a fixture of anime fanservice by the late 20th century1.

How It Spread

How to Use This Meme

People use pantsu online when discussing anime fanservice, either descriptively about a specific series or ironically when mocking otaku enthusiasm2. In fan art circles the word often shows up with its variants (Shimapan, Misepan, Panmoro) to specify the exact framing being referenced1.

Frequently Asked Questions