you (can) bet your bottom dollar

you can be very sure.

If there's anything he can sue you for, you can bet your bottom dollar you'll be in court.

Etymology: based on the literal meaning of bottom dollar (= your last bit of money, which you would not risk losing)

• have your head screwed on the right way
• have your head stuck up arse
• have your head stuck up your arse
• have your head up arse
• have your head up your arse
• have your heart set on
• have your heart set on doing something
• have your heart set on something
• have your knife into
• have your knife into someone
• have your mind on
• have your mind on something
• have your moments
• have your name in lights
• have your nose in a book
• have your nose in the air
• have your pick of
• have your pick of something
• have your share of
• have your share of something
• have your sights set on
• have your sights set on doing something
• have your sights set on something
• have your wicked way with
• have your wicked way with someone