pulling a Goldberg
When a hot girl touches a guy a lot until he gets a massive erection which is noticable by all. This would then necessitate the use of a large object to cover it up.
girl scratching and rubbing a males back...
Guy: (orgasmically) uhhhhhhhhhh uhhhhhhh... I think I'm pulling a goldberg!!
girl: oh man (laughing as she walks)
Guy: (orgasmically) uhhhhhhhhhh uhhhhhhh... I think I'm pulling a goldberg!!
girl: oh man (laughing as she walks)