redlining

running a piece of equipment, most often an engine or other powerplant, way beyond it’s rated maximum, usually in an emergency situation.

usually, denoted by taking the engine revs or temperature up into the red area on an indicator dial, risking permanent damage or catastrophic failure.

“how fast will that thing go ?”

“one fifty five, but after one forty you’ll be redlining”
also skating on thin ice. to be in an unfavourable position of being one step away from having a superior party devastate your cause.
i’m seriously red lining it with the boss man. he says i’m one step from having my sh-t ruined. i know what he’s like. he will seriously f-ck me up.
when a girl has her period.
no s-x tonight, ash is redlining.
from redline –
pr-nunciation: ‘red-‘lin
function : verb
: redline, to redline, also redlining; to engage in s-xual intercourse at an extremely rapid tempo.

origin in redline : a recommended safety limit; the fastest, farthest, or highest point or degree considered safe.
hank said he was redlining that b-tch for an hour.

after redlining that b-tch, she could barely walk.
this term is used for have s-x
it was so amazing they way she was redlining me last night