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cuss

1 ENTRIES FOUND:
cuss /ˈkʌs/ verb
cusses; cussed; cussing
cuss
/ˈkʌs/
verb
cusses; cussed; cussing
Britannica Dictionary definition of CUSS
[no object] US, informal
: to use offensive words when you speak : curse

cuss out

[phrasal verb]
cuss (someone) out or cuss out (someone) US, informal
: to say angry and offensive words to (someone)