PC.net

HR

Meaning Homeroom
Type Abbreviation
Rank ★ ☆ ☆  Uncommon
Usage General (not just online)
Comments

Homeroom is a break between classes where students gather in different classrooms to hear announcements and have their attendance recorded.

Example "I better make it 2 hr 2mrw, I've already missed it twice this wk!"
Updated January 20, 2012
Information from PC.net
https://pc.net/slang/meaning/hr
space