[fool around] or [mess around] or [play around] or [monkey around] […]

[fuck around] {v. phr.}, {vulgar}, {avoidable} 1. To be promiscuous. * […]

[fuck off] {v. phr.}, {vulgar}, {avoidable} 1. Go away! * /Can't […]

[fuck up] {v. phr.}, {vulgar}, {avoidable} To make a mess of […]

[fuck-up] {n.}, {vulgar}, {avoidable} A mess; a badly botched situation. * […]

[louse up] {v.}, {slang} To throw into confusion; make a mess […]

[monkey around] See: [FUCK AROUND], [HORSE AROUND], [MESS AROUND].