ham it up
lay it on thick
ham
hyperexaggerate
chew the scenery
overplay
overact
shoot one's mouth off
talk out of one's ass
overexaggerate
talk big
sweep away
skewer
overstate
rhapsodize
Barnumize
psych
freak
flabbergast
three-sheet
overtell
yeast
overcolour
come it
drama queen
comb someone's hair the wrong way
gin up
intoxicate
tub-thump
overemote
flip one's wig
overexcite
gladiator
obsess
overarticulate
rave
overstress
over-egg the pudding
overpsychologize
overimagine
wig
rend one's garments
camp it up
drive someone up the wall
fake it
affront
give someone ass cancer
bug
say the quiet part loud
scarify
psyche
rip the piss
bust someone's balls
go batshit
scare someone out of their wits
ether
backbite
jolt
wing
neg
make a scene
vent one's gall
blow hot and cold
shit-stir