haar in de boter (zn):
couille dans le potage(en) something which ruins or spoils everything else, or makes it less pleasant., couille dans le pâté(en) something which ruins or spoils everything else, or makes it less pleasant., hic(en) something which ruins or spoils everything else, or makes it less pleasant., os(en) something which ruins or spoils everything else, or makes it less pleasant., problème(en) something which ruins or spoils everything else, or makes it less pleasant.
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