Barbarian Club (5e Equipment)
From D&D Wiki
Weapon (greatclub), very rare (requires attunement)
A big club for the big swingers. You gain a +2 bonus to attack and damage rolls.When you hit a creature with this magic greatclub, you deal bludgeoning damage equal to 2d8+ your Strength modifier. If you use your action to hit a creature with this weapon, you can shove that creature as a bonus action this turn.