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2.
Something that causes orgasms.
Dude, I always get orgasms because of that welby.
by Renaynaynay April 04, 2010
 
1.
The eye of a mans penis, also used to describe someone who is without enthusiasm but never shuts up.
#1 I have an itchy welby, i think i may have caught somethin' off your mom.

#2 Jesus i wish that dry arse gimp would shut up, what a welby"
by Seamus Peterson October 20, 2004