pop one's cork
irrationally
go batshit
flip one's wig
irrationalize
derationalize
freakout
irrationality
unreason
irrationalist
go crazy
unreasoned
lose one's wits
unbalanced
to distraction
wig out
egotistic
egocentric
irrationalness
automatism
irreverence
irrationalistic
take leave of one's senses
compulsion
obsession
phenodominate
piss about
egoistically
think no end of oneself
spaz
on impulse
semblance
wild
handle oneself
egotistically
irrational impulse
illusion
frame of mind
raving
raving mad
state of mind
selfishly
high falution
egocentrically
off one's box
out of one's tree
ego-trip
out of one's box
blow hot and cold
waterhead
behavioristically
out of one's gourd
off one's tree
daredevil
egodystonia
lose one's head
headgame
break into
go it blind
fossilize
spontaneously
disorganized
fossilise
carry on
freak
act up
alogism
praxis
egoistic
foolishment
spontaneousness
tomfoolery
act
play silly buggers
foolery
pretend
the absurd
dedication
caught up
indulgence
lunacy
frivol
absurd
go through the motions
cuckoo for Cocoa Puffs
commitment
craziness
ham
dissemble
loyalty
trifle
allegiance
folly
chillax
Timonize

English words for 'To suddenly behave irrationally'

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