scupper up

scupper up

To ruin, thwart, or bungle something. A noun or pronoun can be used between "scupper" and "up." The scandal with the CEO is threatening to scupper up the business merger. I really had a good thing going with John, but I scuppered things up when I drunkenly kissed Mike on a night out.
See also: up

scupper up

in. to drink liquor, especially beer. Tom goes home to scupper up every evening.
See also: up