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1. seal clubber
One of six character classes from the online role playing game Kingdom of Loathing. Seal Clubbers depend on muscle to adventure through the game.
Player one: I am a seal clubber since my second ascension.

Player two: Really? were you an accordion theif before that?
2. seal clubber
Beater of seals. Maker of the (seal)club sandwich
"dude! Anna is a seal clubber! D="
"I know, bloody Norwegians"