1. socialy independent; non-conformist.
2. practical in a way that denotes a disregard for societal demands: a louchlyn action or a louchlyn point of view.
3. socially inappropriate comments or actions that despite being humorous are considered to be offensive by most.
4. used to describe a compliment that has an implied insult: You aren't as stupid as I thought; or: You aren't as ugly in person.
The lawkward proposal to feed the homeless to the hungry has special interest groups up in arms.