penis expansion

Tagged when a penis is expanding in size, usually quickly and beyond what is biologically possible. A form of genital expansion.

Not to be confused with:

Related tags:

sequence
penis_shrinking for the opposite case, where an existing penis becomes smaller and may disappear entirely.

The following tags are aliased to this tag: cock_expansion, penile_expansion (learn more).

This tag implicates expansion, genital_expansion (learn more).