present participle of butter one's bread on both sides

Synonym of like a knife through butter

(idiomatic) To be aware of where one's interests lie in a situation.

(Southern US, colloquial) An expression of astonishment upon learning something unbelievable (usually positive).

present participle of know which side one's bread is buttered on

Third-person singular simple present indicative form of know which side one's bread is buttered on

simple past tense of know which side one's bread is buttered on

past participle of know which side one's bread is buttered on