OSFrog

TwitchTV emotes to describe something that imbalanced or overpowered

Originated from word "IceFrog", creator of DoTA on Warcraft 3 and DOTA 2. He/She (we don't know until now who he/she is) often make gameplay so imbalance or create hero that overpowered, thus the word began to spread and get pun to "OSFrog" on Twitch Chat
"I one shot the boss cause my weapon is OSFrog"
by KKomrade December 15, 2020
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