The ability to maintain a conversation with a non friend (usually a friend of a friend) for an extended period of time.
NOT ABOUT WEATHER OR SCHOOL!!!!! That DOES NOT count as a conversation!
Guy: Hey Fuckface get out of the car we're at your house and i have to take Rose home.
Me: Nah T Jones i don't think you have the social stamina to talk to Rose for the ride home. Take me with you to help the conversation.
Guy: Ya Fuckface your right I don't have the social stamina, and I like men.
The ability to stand on a bus without falling when is driving. Something you develop if you stand on the bus sometimes.
Judy decided she was going to ride the bus to work. All the seats were taken and she fell over when the bus took a sharp turn, to bas she had't developed bus stamina.
An unusually high amount of energy/enthusiasm one sometimes feels on a Monday when working at a usually tiring or otherwise boring job. Monday Stamina is not something felt by the average employee on every Monday (other emotions sometimes felt on Mondays include "unhappy" "bored" and "suicidal"), however it does occur roughly 5-15 times per year for the average employee.
A: Hey, _______ what are you still doing here? Your shift ended at 4:30.
B: Wow, it's already 5? It feels like 11:15 on a Friday! Talk about Monday Stamina...
Stamina is the ability to last for a decent amount of time when doing an activity - usually a long or particularily straining activity such as a marathon, without becoming too exhasted or tired.
I lasted the whole football match - I have good stamina!