Osti

Canadian-French swear word that every Quebecois uses.
Usually said before another French swear word to “enhance it”

“shit j’ai oublier ma fille a l’école… osti de crisse la il faut que je dépense du gas.. osti de tabarnak!” (shit i forgot my daughter at school… osti de crisse! Now I need to waste gas.. osti de tabarnak!”