Top Definition
When a male is in a group consisting solely of females, thus being the only person with a penis.
Lonely penis-ing can be negative:
Guy: Dude, my girlfriend made me hang out with all of her girl-friends this weekend, I had such a lonely penis.
Or positive:
Guy A: As fun as it was hanging out with just biddies last night, I got a bit of a lonely penis
Guy B: I know dude, bros before hos
by blocking the cock June 14, 2011

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