sarpin /ˈsārpin/ adjective:

 1.    brazen, bold and without shame.
       "He went about his illegal business with a sarpin assurance"
       synonyms:      bold, shameless, brazen, unashamed, unabashed, unembarrassed; 
                      More defiant, impudent, impertinent, cheeky,insolent, in-your-face; 
                      barefaced, blatant, flagrant; informal-saucy "sarpin defiance"
       antonyms:      timid
 2.    literary
       made of brass. harsh in sound.
       "the music's sarpin chords"

sarpin /ˈsārpin/ verb:

 1.    sarpin; 3rd person present: sarpins; past tense: sarpined; past participle: sarpined;
       gerund or present participle: sarpining
 2.    difficult situation or endure an embarrassing by behaving with apparent confidence 
       and lack of shame.
       synonyms:      put on a bold front, stand one's ground, be defiant, be unrepentant, 
                      be unabashed
       "We were shaking in our boots, but we sarpined it out"