let that sink in

(Internet slang, idiomatic) To confidently and coolly send a direct message to someone by means of social media, especially with romantic or sexual intentions.

(dated, Australia, slang) To give up on a job; to quit or resign; to abandon an effort.

(transitive) To submerge briefly in a liquid.

Suck it and see is a cheerfully pragmatic British, Irish, and Commonwealth expression meaning 'try it and find out' — a call to experiment rather than overthink. It has the earthy, no-nonsense energy of someone who'd rather do than deliberate. The phrase comes from the era of picking up an unlabeled sweet and tasting it to find out the flavor, but it has since spread to virtually any situation where the only way to know is to give it a go. Mildly suggestive in tone but widely understood as innocent.