Kalek jambu is slang developed from the scientific name (Syzygium abatakam) of the tree known as kalek jambu in Minang. It means the state of being about to cum, as "abatakam" is similar to the slang word "ambatukam".
Bro, she was bouncing on it crazy style last night. After only one minute, I was kalek jambu.
A jambloat is something that jams. Often used for programs that fail to compile, especially used when coding python. when a language is susceptibel to hidden bugs it is called jambloatable, such as c++.