knuckle bumper


another term for a lesbian. to get a visual example, bend both the index and middle finger of each hand and b-mp the mid knuckles together thus simulating two v-g-n-s b-mping each other as lesbians do to get s-xual pleasure, such as the extremely hot act of tribbing.
guy 1: “hey dude, have you met the new girl? she’s hot!”

guy 2: “yeah, but dude she’s a knuckle b-mper. there’s rainbows and sh-t all over her social network profile.”

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