Here is the full list of all 19 Frisky Business trophies - there are 17 bronze and 2 silver.
Get it on with all the girls
Get all possible endings
Get it on with Jenny X4
Have Threesome with Jenny and Gertrude
No Wrong Answers in Trivia
Dated Jenny
Complete a play through with no sexy times
Be a Jerk to Sam and Charlie
Get the true ending
Collect every piece of evidence
Be nice to Charlie and Samantha
Be nice to Charlie
Get it on with Claire
Get it on with Tiffany
Threesome with Balbina and Serena
Dated Lucy
Dated Balbina
Piss off Balbina
Peep through all the girls windows