Definition

Abbreviation for "how you doing" (or "how are you doing"), used as a casual greeting to ask someone how they are or what's going on in their life.

Example Usage

hyd? I haven't seen you in forever!

Origin

Internet slang derived from the colloquial spoken phrase "how you doing," popularized in digital communication in the 2010s.

Fun Fact

"HYD" is often used interchangeably with "WYD" in casual texting, though it's technically asking about someone's state rather than their current activity.

Source: Definition backfill (hailey)