Up Your Alley (1971)

The All-Out Sex Comedy Riot!

A nerdy virgin who spends most of his waking hours dreaming about big-busted, naked women gets a job catering at a film festival party that is chock full of his "dream girls". Unfortunately, he finds himself involved in a Mafia jewel-smuggling plot and must impersonate a Mafia don who he has inadvertently caused to die of a heart attack.