Insuck

The first course was soup, and as the younger used his spoon, his lips reached forth to meet it, at the same time he insucked his breath, which made a particular noise.

[...] a wavering or trembling of the haypiles as if the hay itself took breath: insucks & outflows, faint wave motions rippling across low flat haystack is the giveaway [...]

The terrible wound of mouth peeled and slithered, insucked and garbled a single word: [...]

The refill, the tamping down with finger, the match lit, the quick insucks, the very flushed face very serious now, sound of sucking in air, bubbling of pipe, waving of match to extinguish, puffing out clouds of smoke, rolling over on [...]

The timing of the insuck of semen in relation to sperm capacitation (the process that renders sperm capable of fertilizing an egg) has been discussed critically by Levin (2002).