When your nut sack produces a film from all the sweat on a hot summer day.

Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.

(v) when a man cannot get an erection, but proceeds with the act of coitis anyways

etymology - the limp penis is mashed against the vagina resulting in a poor (or sour) sexual experience; the term also alludes to whiskey dick, as sour mash is the name for a process in the distilling industry that uses material from an older batch of mash to start fermentation in the batch currently being made

sour mash is another term for jack daniels

When the semen used from a previous jerk session is used as the lube for following session. Derived from the definition used in the whiskey making process.

When bourbon is made in a distillery and you can smell it from miles away