A nickname for genital herpes.
Can be said as "clags" or "the clag"
We've got clags!

Jon: "Hey Tom, did Mary give you clags when you banged that one time?"
Tom: "Did Mary give me what?"
Jon: " You know, the clag? Herpes man."
Tom: "Why do they call it the clag?"
Jon: "Because it sticks with you the rest of your life."
Tom: "I guess I've got clags then"
by willdawonka September 4, 2013
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Playing and Raging at Battlefield until your eyes turn red.
"Dude you okay?"

"Yeah bro, just stayed up late last night getting Eye-Clag".
by SnoopyC November 2, 2011
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Fucking spider clag is giving me grief... i think i need a shower to wash poor incey out
by IanW1981 August 15, 2017
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