A bastardization of "fucking"; a purposefully typoed internet version of "fucking" or a silly, breathy literal pronunciation ("few-sing" or "fuhh-king").
"Fuhcing thorns! All over my fuhcing jeans!"
"I'm the mohter-fuhcing king of teh internehts."
"Fuhc off, man."
"I'm the mohter-fuhcing king of teh internehts."
"Fuhc off, man."
by Kitey McPhee April 13, 2010
Extra emphasis on the (uh) fuhc has the same meaning as (fuck) but yet it has more emotion and sense tied to it...
Running late to work he left the house in a hurry only to get down the street and realized the baby was still at home waiting to be put into the car, he let out a strong sigh of disappointment... “fuhc”
by Paych September 5, 2018