1der

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Abbreviation of wonder. Internet, Leet, abbreviation, alt-of

    "Don't you hate that, just 1ce I'd like to see people use one instead of 1. It's a 1der that any1 is able to get a high school diploma"

  2. 2
    Abbreviation of One Directioner.; A member of the English-Irish pop boy band One Direction.

    "Louis Tomlinson became the first 1Der dad when he and Briana Jungwirth welcomed son Freddie Reign."

  3. 3
    Abbreviation of One Directioner.; A fan of the English-Irish pop boy band One Direction.

    "Hearts stopped this morning as we all saw the #zaynandperriearemarried on Twitter, and confused fans started adding to it with their crying emojis and tweets of “Why? Why Zayn?! Why?” We need to get better at handling this, 1Ders."

Verb
  1. 1
    Abbreviation of wonder. Internet, Leet, abbreviation, alt-of, intransitive, transitive

    "Sean, ur totally kewl! wellkum 2 the NG, hope u enjoy ur stay, don't 4get 2 fasten ur saftey belt! LoL. Totally Krazie. Ur like me: BSB and Prodigy. Hey, it rhymes! Do you think there iz a connection Btween BSB and metal? Hmmm. Makes u think, huh? I 1der...well, i could go on, but i wont..."

Example

More examples

"Don't you hate that, just 1ce I'd like to see people use one instead of 1. It's a 1der that any1 is able to get a high school diploma"

Etymology

From 1D + -er.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.