To suddenly bring an end to a positive performance or hot streak with a single extremely terrible or series of awful performances, plays, or shots.
by mrbojangals May 28, 2010
In sports; to go for and miss a single extremely difficult play or shot repeatedly and stubbornly, thereby ruining any chance of success in the overall game.
"Dude, you were winning up till that 10 on the par five. What happened?"
"I totally tin cupped it man."
"Did you see Joe tin cup that basketball game?"
"Yeah man, he had the wide open lay up but just had to go for the three."
"I totally tin cupped it man."
"Did you see Joe tin cup that basketball game?"
"Yeah man, he had the wide open lay up but just had to go for the three."
by mrbojangals May 28, 2010