tjottablängare

From tjottabläng + -are (“-er”), where tjottabläng is perhaps onomatopoeic.

tjottablängare c

1. (colloquial, humorous) a hard punch

   Jag ska ge 'an en riktig tjottablängare mellan lysmaskarna

   I'm gonna give him a real shotablanger right between the eyes

• käftsmäll (“punch in the mouth”)
• nita (“punch hard”)
• råsop (“hard (sweeping) punch”)
• smocka (“punch”)
• snyting (“punch to the face”)
• knogmacka (“knuckle sandwich”)

• Slangopedia