A sexual interaction where partners have sexual intercourse with every major orifice on each other’s bodies.
“I suggested an all-hole marathon to my partner”
when you have rizz, but it takes a while to show.
boy1: bro, why didn't ask her out?
boy2: i got that marathon rizz, it'll happen just you wait
The combined effects of energy-drink enduced awakeness and constant exposure to artificial light and digitally processed sound. (Headaches, sensitivity to noise, sensitivity to light, crabbyness, unintentionally quoting and/or acting out scences from marathoned movies)
I just watched all the Star Wars movies without sleeping and now I have marathon-hangover.
an event where you need to wake up at freezing o'clock in the morning just to run for miles, skipping your daily habit of eating cupcakes and your favorite TV series.
see also: masochism
Join the marathon, they said. It will be fun, they said.
As in a herd of cattle, a pride of lions, or a murder of crows, a "marathon" is the collective for meetings, as in "a marathon of meetings".
Between putting this definition into Urban Dictionary and my marathon of meetings, don't expect me to get any actual work done today.