Cherry Popper
Look at the side of an ice cream van. It reads "Cherry Popper".

Jizz!
Inside the laundromat, the detergent being used and prominently displayed above the back washing machine is "Jizz! Big Washing Power", an obvious attempt at crude humor.

The Brown Note
Near Faustin's house is a reference to a legendary musical note. When you are in the area, proceed to the dead end about a block away towards the water. Hop over the fence on your left while facing the water, and a man should be sitting on a bench reading a book titled "The Brown Note". Musician's joke that this is a note that when played causes bowel movements by the person playing it.

Bowling alley logo
During the bowling date with Michelle, when you enter the bowling alley, notice the neon bowling alley sign. Look closely to see that it resembles male genitalia.

Cop names
During the intermission sequence for the "I'll Get Her" mission, look closely behind Gerry Mcreary. There is a whiteboard for shift changes for the prison guards. Some of their names are Phil McCrevis (feel my crevice) and Richard Head (dick head).