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2. reroll
In a Role Playing Game, short RPG, which can be a computer game including an MMORPG or pen and paper.

1. To abandon a character and create a new one

2. To abandon a character and create a new one of a certain character class.
1. "If you're playing a paladin, just reroll."

2. "They nerfed my druid, I'm gonna reroll hunter."
1. reroll
Originally coming from Dungeons and Dragons where players would need to roll dice to generate character stats and attributes. The term later was incorporated when making a new character in MMORPGS.
I'm gonna reroll a Cleric for my friend's campaign.

3. reroll
Ecstasy after a proper 3 weeks come down to restore serotonin
Swim rerolled and now is super depressed
4. reroll
After smoking a cigarette one rerolls the leftover tobacco into a new cigarette.
Damn, I hate smoking rerolls.