𝐌𝐨𝐧𝐤𝐞𝐲 𝐚𝐫𝐨𝐮𝐧𝐝 - to behave in a silly or careless way
𝐌𝐨𝐧𝐤𝐞𝐲 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 - bad or dishonest behaviour
𝐌𝐚𝐤𝐞 𝐚 𝐦𝐨𝐧𝐤𝐞𝐲 𝐨𝐮𝐭 𝐨𝐟 𝐬𝐨𝐦𝐞𝐨𝐧𝐞- to make someone else look silly