Osculingus Share definition Flag Kissing with the tongue; derived from the Latin osculum (meaning "kiss") and the suffix -lingus (meaning "with the tongue"). "We should totally osculingus bro!" "Osculingus? I'm not gay, but 20 dollars is 20 dollars..." Osculingus by neksodebe January 26, 2026 0 0 Get merch Get the Osculingus mug. Buy Now — $32.95 See more merch