Top Definition
Handsome, Not funny, Tiny cock, Easy, Tends to make an eejit of himself while drunk and most of the time, Rampant sex addict. Sennans tend to be jealous, especially of Grainnes.

Sennans also tend to be pricks that love crossing the line.
Oh my god, look at that ride! That must be Grainne...I hate my life as a Sennan, I want to be a Grainne...
by Nandoz January 02, 2012

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