1. grr - Noun
2. grr - Interjection
Sound of an animal growl.
Expression of anger or disappointment.
Grr, life is not fair.
GRR (plural GRRs)
(demography) Initialism of gross reproduction rate.
Golden Reign Resources Ltd. is a publicly listed (TSX-V: GRR) mineral exploration company engaged in exploring the San Albino-Murra Property and the El Jicaro Property, both of which are located in Nueva Segovia, Nicaragua. Source: Internet
GRR clients for Windows, MacOS, and Linux enable live remote memory access and analysis using the Rekall framework. Source: Internet