Quick answer: 1der (informal) — In plain English, “1der”: wonder. Meanwhile, ISTG (informal) — In plain English, “ISTG”: I swear to God.
1. 1der ↗
Category: Internet essentials
Register: informal
Regions: Online
In plain English, “1der”: wonder.
When it fits: Choose this wording when the meaning above fits what you intend to say. Give the reader enough surrounding context to follow the example; if clarity matters more than the shorthand, use the plain-English wording instead.
When to avoid: Avoid assuming that a label reveals somebody’s motives or private behavior. If you are unsure how your words will be understood, explain the situation directly and ask a clarifying question rather than relying on the expression alone.
“I 1der whether the new patch will finally resolve the lag issue that plagued us all week.”
In plain English: I wonder whether the new patch will finally resolve the lag issue that plagued us all week.
2. ISTG ↗
Category: Internet essentials
Register: informal
Regions: Online
In plain English, “ISTG”: I swear to God.
When it fits: Choose this wording when the meaning above fits what you intend to say. Give the reader enough surrounding context to follow the example; if clarity matters more than the shorthand, use the plain-English wording instead.
When to avoid: Avoid assuming that a label reveals somebody’s motives or private behavior. If you are unsure how your words will be understood, explain the situation directly and ask a clarifying question rather than relying on the expression alone.
“ISTG, I will never forget the promise we made after the game ended.”
In plain English: I swear to God, I will never forget the promise we made after the game ended.
Test both expressions in context
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