Akademik

Не валяй дурака
Do not make a ridiculous fool of yourself
Var.: Не валяй Ваньку
Cf: Cut the comedy (the funny stuff)! (Am.). Don't make a Judy of yourself (Br.). Don't play the giddy goat (Br.). Go along with you (Br.). Stop fooling around (Am.)

Русско-английский словарь пословиц и поговорок. . 2013.