chat up
US /tʃæt ʌp/
UK /tʃæt ʌp/

1.
paquerar, flertar
to talk to someone in a friendly way because you are sexually attracted to them
:
•
He spent the whole evening trying to chat up the bartender.
Ele passou a noite toda tentando paquerar o barman.
•
She's really good at chatting up people at parties.
Ela é muito boa em paquerar pessoas em festas.