A fat head is a person usually having a head the size of a fucking water melon and is also a dumb cunt also used as an insult calling someone thick in the header
by Steve cunttttt July 17, 2019

Alternate name for a submarine’s fathometer, the device that tells how far down the bottom of the ocean is.
I was doing OK, but when the quartermaster called out a red sounding after checking the fat ho meter, I myself had a brown sounding.
by ex-MM2(SS) February 10, 2021

The beastiest FWD you will ever see, just make sure that you are 24/7 fangin the frick outta the thing when u go limmy bashing with the PVC pipe snorkel
by BundyRumYTB October 6, 2019

by thegreatspritzingduck December 10, 2021

by maccas x2 August 7, 2019

by The OGBobtheDog June 18, 2023
