Items that you purchase along with condoms, spermicide, or other birth control. You do not really want these items, but are self-conscious about the cashier knowing that you only came here to re-fill on birth control.
Ray picked up the last box of his favorite condoms from the shelf and headed to the checkout-lanes, stopping to grab soda and dog food for birth control buffers.
by DobbyCanOnlyBeFreedIf December 27, 2014

These are any pair of pants that will cause potential mates to not want to have sex with the wearer. A typical example would be a tight pair of jeans that have some sort of weird design on them and are worn by a straight male. However, there is not just one style or brand of pants that are birth control pants, and the exact definition can vary across cultures and time periods.
Katie: “I was attracted to Johnny until I saw him wearing those weird skinny jeans.”
Jenny: “You mean his birth control pants?”
Mark: “I wear my birth control pants out to the bars just to be safe.”
Jenny: “You mean his birth control pants?”
Mark: “I wear my birth control pants out to the bars just to be safe.”
by Bushbrotherbrady June 9, 2021
