dafinition - a stupid way to spell 'definitely' that only internet losers

a stupid way to spell 'definitely' that only internet losers use because they think they're smart

My friend texted me 'dafinitionally' and I asked if he was high.

My mom saw 'dafinition' on my phone and yelled at me for being a bad speller.

My teacher wrote 'dafinition' on the board and it was the worst thing I've ever seen.