Some details:
- 1'14": don't know whether she's referring to her throat, or to her pussy, but apperently she's 'sour'
- 2'13": you all know the situation: thrusting gets the air inside, and sometimes it comes out again, know as 'vaginal flatulence
- 3'50": she starts encouraging him to 'do it' and 'empty his cock inside her cunt'
Enjoy!