(noun) Pronunciation (GEESH - short "G") The area between the scrotum and the anus (on a male, obviously). Often mistakenly as geesh (pronunciation of "geesh" is "jeesh"). The guiche is sometimes pierced, usually front to back, but it HAS also been known to be pierced horizontally.
"I'm going to get my guiche pierced" (which IS actually done!)
"He/she fondled my guiche while he/she sucked me"