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вести себя глупо stresses
gen.	play the giddy ox (Игорь Primo); bugger about; play the goat; act foolishly; behave stupidly (Andrey Truhachev)
Игорь Миг	act absurdly
idiom.	make an exhibition of yourself (mrr71); make a fool of yourself (mrr71)
inf.	play the giddy goat; act the giddy goat; act the goat
Makarov.	act the giddy goat; make an exhibition of oneself
Makarov., rude	bugger around
slang	dope off
vulg.	make an ass of oneself; silly-ass about

вести себя глупо: 28 phrases in 5 subjects

Australian	1
General	18
Makarov	3
Slang	4
Vulgar	2