b.o.b.-a-thon: when a girl comes home from a hard day and takes a nice long bath, then proceeds to have a marathon session with her favorite vibrator. Includes multiple orgasms over a 2-3 hour period.
Sunshine: So what'd you do last night, Katie?
Katie: I had a b.o.b.-a-thon, and I feel so much better today! I was at it for like three hours! Six orgasms and no stress today baby!
Katie: I had a b.o.b.-a-thon, and I feel so much better today! I was at it for like three hours! Six orgasms and no stress today baby!
by KatieZ1983 October 25, 2008
 Get the b.o.b.-a-thonmug.
Get the b.o.b.-a-thonmug. Aeryck and Ed were blarting back and forth so much, that it turned into a straight out Blart-a-thon!
by LilOlMe2004 February 6, 2006
 Get the Blart-a-thonmug.
Get the Blart-a-thonmug. by SnugZ October 13, 2008
 Get the Gore-A-Thonmug.
Get the Gore-A-Thonmug. I wonder what Beer I should bring to the Zom-Brew-Thon? I hope we watch a movie I have not seen before!
by The Brew-Thusiast April 13, 2010
 Get the Zom-Brew-Thonmug.
Get the Zom-Brew-Thonmug. This is an extended masturbation session of gratitude, formed by combining the words "wank" + the German word "danke" for thank you + "thon" from marathon.
Mom: Alright son, I fixed you a great supper. How are you going to thank me?
Son: Mom, I am going to do a wanke-danke-thon in your honor tonight.
Mom: Oh I am flattered!
Son: Mom, I am going to do a wanke-danke-thon in your honor tonight.
Mom: Oh I am flattered!
by SantoshGeorge February 21, 2009
 Get the wanke-danke-thonmug.
Get the wanke-danke-thonmug. Setting - Coffee house sound system plays not too loudly but not too quietly: Bwangbwong, bwangbwong, pog-me-thon... bwangbwong... barista crafts a reed flute...
Customer: Can I get a Cafe Americano? Actually, just cream and sugar.
Customer: Can I get a Cafe Americano? Actually, just cream and sugar.
by Stone St, USA December 3, 2010
 Get the pog-me-thonmug.
Get the pog-me-thonmug. by herbie-T September 27, 2007
 Get the cock-a-thonmug.
Get the cock-a-thonmug.