roughen up
Verb
Meaning
roughen up (third-person singular simple present roughens up, present participle roughening up, simple past and past participle roughened up)
(idiomatic, transitive) to make something rough or rougher
Verb
roughen up (third-person singular simple present roughens up, present participle roughening up, simple past and past participle roughened up)
(idiomatic, transitive) to make something rough or rougher