treacle
Ⅰ
1. noun
used as an endearment. Probably, simply, a simile for 'sweet'; possibly, rhyming slang 'treacle tart', for 'sweetheart' UK, 2001
2. verb
to flatter someone; to behave in an obsequious manner UK, 1943
Ⅱ ⇨ treacle tart; treacle
noun a fart. Rhyming slang UK, 1998