Lukas is another word for Dookie/Caca. Lukas is something that leaves a huge stain and you donât want a Lukas on your floor
My dog just shat out a huge Lukas!
Lukas is super smelly please clean it!
Dude: Dude why do you smell so bad!
Dude 2: Sorry i got lukas on me when i went to the bathroom.