British, humorous

to be with two people who are having a romantic relationship and who would prefer to be alone.

Yes, thank you, I'd love to go to the cinema, if you two are sure you don't mind me playing gooseberry.

• in-your-face
• in your face
• in your heart of hearts
• in your infinite wisdom
• in your mind's eye
• in your own right
• in your prime
• in your right mind
• in your sights
• in your stockinged feet
• in your stocking feet
• in your wisdom
• I plead the Fifth
• I plead the Fifth Amendment
• I rest my case.
• I rest my case
• iron out
• iron out something
• iron out the kinks
• irons in the fire
• irregardless of
• irregardless of something
• is all need
• is all you need
• is anyone's guess