craft blasting
adj.used to describe the actions of one who is tired of their own job or trade, and is talking smack to someone who has the job or trade that they are not smart enough to do.
mike (the pipe fitter) says to bobby (the pipe welder) " you welders are sure are some lazy fucks" keith ( another pipe welder) says to bobby " dont listen to that punk, he's tired of haveing to do all the grinding he's just craft blasting.