Takes place while titty humping, and leaving a skid mark on her belly. Similar to a snail trail.
I accidentally left a titty slug on Martha while making love to her bodacious tits. Damn you Taco Bell.
by Pierre Boudreaux April 10, 2018
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When you get curdled milk out of a tit.
Mama,I'm hungwe. Sorry son I've only got titty slugs.
by ALcahhal July 8, 2017
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