Noogut

Say nugget in a uk drill accent

get miiie yoooo cheeken nooguts gourd dummih

Shh

Be quiet. It is also used to make a garden hose or spray can noise

In "Mans Not Hot", Big Shaq sings "Nose look like garden hose, SHH"
And in "Shhh", Raye sings "No, just shh shh shh"
Another example,
Boy 1: *lies about ordering a "chips and fish" at a chippy*
Boy 2: shh!