てもちぶさた
having nothing to do; having time on one's hands (and not knowing what to do); being at a loose end; being bored
Also written 手持ちぶさた、手持無沙汰
Noun, Na-adjective
タバコでも吸すっていないと手持てもちぶさただ。
Sometimes I smoke just to give my hands something to do.