lazy
Adjective
[lazier, laziest]
1. not inclined to work or exert oneself
2. done in a relaxed manner with little effort
3. moving in a sluggish manner: the lazy drift of the bubbles [origin unknown]

Noun 1. twat - a man who is a stupid incompetent fool
bozo, cuckoo, fathead, goof, goofball, jackass, zany, goose
fool, muggins, saphead, tomfool, sap - a person who lacks good judgment