Can't figure something out, miffed, dumbfounded, confused or don't have a quick response to a situation or something said to you.
When Teresa showed up at the club with her sister and started asking me if I had slept with her, MAN, I was straight up stumpin'!
by JoeP. May 10, 2007
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verb:
1.the act of posting up behind large objects as if waiting on somebody;

2. The act of being on ones knees
1. Damn look at my man stumpin behind that statue.

2. That girl is always down for some stumpin.
by sean stewart May 11, 2008
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the act, by a male, of placing a cucumber in his pants to give off the appearance of having a large penis.

OR...

the act, by a woman, of placing a cucumber in her pants to deceive others into thinking she is a man or has undergone a sex-change operation

(not to be confused with pickle-dick)
Bro, I always pick up Hooters waitress' when I'm cumber-stumpin'!

Fred: "Woah, is that a man or a woman?!"
Me: "Probably just some lesbo-bitch cumber-stumpin."

cucumberdickpickledickcumber-stumpveggiecocksquashscrotum
by hamsterqueef October 20, 2011
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