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The act pleasuring a woman by repeatedly inserting your elbow into her vagina, or anus. Because the elbow is so large, it would feel as if you're getting fingered by the incredible hulk, hence the name.
"Man, this chick was so loose, I got two hulkfingers in her!"
"My girlfriend let me hulkfinger her ass last night! She needed twenty stitches but we both enjoyed it!"
by HulkFingerPro August 20, 2013