Performing any number of macho/daredevil feats calculated to impress females when word of your exploits is circulated. Also designed to garner bragging rights during male bonding rituals.
Stewart decided to bank-some-mojo by jumping into the pool from the third floor while the girls were skinny-dipping.
1. To have sex, especially in a non-chalant way
2. To frequently have sex when you know you won't be getting any for a while
1. I totally banked some last night witih that bitty down the hall.
2. Josh is flying in from Florida for the weekend, so we have to seriously bank some.