Eating Black Jack sweets before giving your bf a blow job then as he cums, choke on his jizz and puke the black jack and jizz mixture back up on his dick!
'Oh hey Zac! I did a black jacker on my bf'
'What's that then Emma?'
'Well I ate black jacks before giving my bf a blow job and I puked on him as he cum in my mouth..'