Snib

[Gregory]

A lock, latch, or fastening for a door or window.

[Dorothey Allen]

An acronym for the words, [Sick Nasty] [Ill] [Ballin]

also (verb) - to SNIB

[Donald Trump]

A crazy word i swear [my mum] invented that apparently means to lock or [latch] a door or window from the inside.
.....[utter bullshit]!

[Ernesto]

Seemingly a verb used in the West-Coast of Scotland (the town of [Paisley], for example) that refers to [closing] something, most often some sort of door or window. Does not seem to be in common useage with younger people, [judging] by past definitions on this site.

[Julian]

a [little finger] like [penis].

[Kit]

When the [turtle head] poops out, but is not fully dislodged. As your bum checks are nice and [smoothe], the full poop is in tack. However, in a sudden panic, your bum cheeks squash together [fastly] and snib (break) the poop which in turn releases and falls south. Half still inside ya and the other half at bottom of your leg.

[Kai]

a small amount; this was coined by one of [my twin] [daughters] when she was [three years] old