It's a traditionnal way of having sex between a man and a women. It refers to the situation where a guy put some chili peppers (jalapenos) on his member to add a spicy feeling to the sexual relation.
Here, feel that Jalapeener
by le yable December 03, 2008
The unfortunate situation when you are stupid enough to chop up some hot peppers without washing your hands, and then take a piss
Dude, heard pizza guy had to stick his junk in a glass of milk, cause he had a bad case of jalapeener
by nietzsche keen September 21, 2006