Top Definition
To compulsively lie, or overly exaggerate.

Can also describe an overly tight anus.
"..there's no way you shagged Pamela Anderson!..that's a total Lannigan!!"
"..did you really smash his face in? Sounds like a Lannigan to me..."


"it must've been her first time cause her arse was like a Lannigan"
by The FP November 28, 2006
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