Conveys tough love or no-nonsense attitude towards whining or complaints.

Emotional Tone

Used in casual conversations, not in formal situations.

Informal Setting

Figuratively means to tolerate; not about actual 'sucking' action.

Encourages active engagement in learning or absorbing information.

Used to represent a beneficial endeavor to improve oneself.

Metaphor for intense or eager learning, as if 'inhaling' information.

Often used when someone tries to gain favor or approval by flattering.

Has a negative connotation, implying insincerity or manipulation.

Used in everyday speech but may not be suitable for formal writing.