A term for a two-headed dildo. These are generally used for stimulation between two homosexual female partners, although they can be used in a heterosexual context with more than one woman involved, or used on a man for heterosexual or homosexual sex.
You know it smells like shit! God damn! Tag team the double-header
When a simple blow job turns into a fun game of how many times can I make you cum, or how many times can I snap my jaw back into place; blowing someone til they cum, then swallowing and immediately start blowing them again until they cum a second time.
She gave me a double header right on my parents couch!