(Sarcastic idiom) When a grunt
, that is, someone lower or equal to your standing, loudly expells massive braggadocio about a rudimentary action they have taken and succeeded in (or an action that the party using this idiom wishes to denounce as simple and childish), this phrase is brought out to denounce thier "crowning achievement
A: I can run a mile in 5 minutes, swim the english channel, run accross africa in six weeks, bench 300 lbs, shoot a squirrels' eye from a half a mile, KO a bull in one punch and...
B: So what? You're a fag, do you want a medal for that too?