An individual would use this term in the setting of a workspace as a code word to alert one’s coworkers that there is a rather attractivefemale in the general vicinity.
“Yo Johner, we just got an order of sea pike in right?”
The contortionist position that men assume so as to attempt to piss in the toilet with a hard-on in the middle of the night. The position, bent 90 degrees at the waist with legs and trunk straight, is also sometimes used in yoga.
"Despite my 3 a.m. standing pike I still pissed all over the back of the toilet."
Self masterbation (usually male) performed simultaniously whilst inserting a finger into the anus and asphixiating ones self, but not beyond the point of passing out. Only enough to reduce the amount of blood flow to the brain so that it is directed towards the penis for a more intense wank.
Tying a belt or a tie to a hook or bar and then putting it around your neck , lean into it to reduce circulation to the head, shove a finger up your butt and away you go, thats having a chokey pokey bum wank!