Working class Irish slang used by knackers meaning different things depending on context:

1 ecstacy

2 foolish ugly idiot

3 thing, item, thingymajig
1 me heads cabbaged today i took a few yolks last night im in bits

2 dont mind that Vanessa one shes only a yolk.

3
Suzanna: Anto- wheres de yolk for me hay-er?
Anto: Wha' yolk?
Suzanna: De fuckinnn.. ye know de yolk for ge'in rid of de curls- de bleeding strate-ner, wheres de strate-ner?
Anto: I dont fuckin' knowww.
by womoma April 18, 2005
a joke that is basically better than your entire existence
macrondalds: "our breakfast meal deal is no yolk"
by porkiies January 20, 2020
slang for a defined musclature
the upper arm is like a fried egg, where the bicep is the yolk. this is your brain on supplements suckaaas.
by 'sight March 15, 2005
To skimp bags, usually of illegal substances, usually marijuana
by mr.k July 7, 2013
Nina just had 10 red bull and vodkas, she looks like she's about to yolk.
by veahers January 13, 2007