banana oil
n.
► A liquid mixture of amyl acetate and usually nitrocellulose, having a bananalike odor and used as a solvent or flavoring agent.
► See amyl acetate.
► Slang. Insincere flattery; nonsensical exaggeration.

[TahlilGaran] American Dictionary ▲

banana oil
n., slang Flattery that is an obvious exaggeration; statements that are obviously made with an ulterior motive.
Cut out the banana oil; flattery will get you nowhere!

[TahlilGaran] English Idioms Dictionary ▲