jack off

verb

"jack-off" is a 7-letter English headword indexed on PlainSpell.

The verdict

“jack off” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To masturbate.

Corpus desk

Index EN-jack-off · jack off · English

jack off · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "J" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for jack off
PropertyValue
Headwordjack off
LanguageEnglish
Part of speechVerb
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “jack off” in English

jack offfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

jack off is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for jack off, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.

Our source data has no etymology on file for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is jack off, spelled J-A-C-K- -O-F-F.

Definition

  1. 1
    To masturbate.
  2. 2
    To stimulate or please oneself in an unproductive or idle way.

Recorded use

Wiktionary example

These source excerpts show how jack off appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Two boys jacking off under railroad bridge. The train shakes through their bodies, ejaculates them, fades with distant whistle.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "jack off"?
"jack off" is spelled J-A-C-K- -O-F-F.
What does "jack off" mean?
As a verb, "jack off" means: To masturbate.
What language does "jack off" come from?
"jack off" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list