scummy

adj.

满是浮渣的，浮渣般的，下流的；

SCUMMY HIDEOUT
From Scummy to Shiny
SCUMMY? SURE. BUT WAS IT A FEDERAL CRIME?
Scummy to Scrummy; EXCLUSIVE REMAKING KERRY
GLOMALIN - THE SCUMMY SOIL BUILDER
"It Might Be a Scummy-Arsed Drug but It's a Sick Buzz": Chroming and Pleasure
Football: A SCUMMY OLD GAME!; It's a Capital Turn-Off as Derby Descends into Another Dirty War
This Column Is Brought to You by Horlicks: The Non-Scummy Milk Drink Favoured by Manilows
This Is Not Just about Useless Police or One Scummy Rag. It's about the Dysfunctional Rule of Law
Banking Expert's Anger at 'Scummy' Loan Firm Threat ; Company Demanded Cash It Wasn't Owed Finance Solicitor Had Never Even Had a Loan