in BRIT, also use 英国英语亦用 piss about
1 PHRASAL VERB 游手好闲；无所事事 If you say that someone pisses around or pisses about, you mean they waste a lot of time doing unimportant things. 游手好闲；无所事事 [mainly British, informal, rude, disapproval]
2 PHRASAL VERB 胡闹；没正经 If you say that someone pisses around or pisses about, you mean they behave in a silly, childish way. 胡闹；没正经 [British, informal, rude]