clumped russian

• ската́вшийся

  matted, felted, clumped, lumped

• сли́пшийся

  stuck together, matted, clumped together, caked

• слипа́вшийся

  stuck together, matted, clumped together, agglutinated

• залипу́ха

  botched job; cheap fake

  sticky mess; clumped mass