American, taboo!

kiss (someone's) ass - to try too hard to please someone and to agree with everything they say, in a way which other people find unpleasant.

They're just a load of ass-kissers!

• keep to
• keep to something
• keep to yourself
• keep track
• keep track of
• keep track of someone
• keep track of something
• keep under hat
• keep under wraps
• keep under your hat
• keep up
• keep up appearances
• keep up something
• keep up to date
• keep up with
• keep up with someone
• keep up with something
• keep up with the Joneses
• keep up with the times
• keep wits about
• keep wits about you
• keep word
• keep you from
• keep you from doing something
• keep you guessing