flabbergast /flabˈər-gäst/ (informal)

To stun or confound

• jackass
• jackasses
• jack bean
• jack beans
• jack-block
• jack-blocks
• jackboot
• jackbooted
• jackbooting
• jackboots
• jack-by-the-hedge
• jack-by-the-hedges
• jack-crosstree
• jack-crosstrees
• jackdaw
• jackdaws
• jack donkey
• jack easy
• jacked
• jackeen
• Jackeen
• jackeens
• jackeroo
• jackerooed
• jackerooing