spunk /spʌŋk/ BrE AmE noun [uncountable] informal
[ Date: 1700-1800 ; Origin: Probably from spunk 'spark' (16-19 centuries) , from Scottish Gaelic spong 'sponge, material for lighting fires' , from Latin spongia ; ⇨ ↑ sponge 1 ]
1 . especially American English courage:
She had a lot of spunk.
2 . British English not polite ↑ semen