Clart

• (v. t.) To daub, smear, or spread, as with mud, etc.
Found on http://thinkexist.com/dictionary/meaning/clart/

Clart

Clart transitive verb [ Confer Armor. kalar mud, mire, kalara to dirt, Swedish lort mud.] To daub, smear, or spread, as with mud, etc. [ Prov. Eng.] Halliwell.
Found on http://www.encyclo.co.uk/webster/C/87

Clart

Clart is British slang for trouble, a mess.
Found on http://www.probertencyclopaedia.com/browse/ZC.HTM
No exact match found