Top Definition
The yellowish slime left in the crotch of a girl's panties usually due to over-horniess or a genital disorder.
Sarah always had a bright yellow yolker waiting for me in her underpants
作者 donniel 2006年5月20日
One who masturbates constantly.
used as an insult
"Hey you going to pro with Jeff?"
"No he's such a yolker..."
作者 ckyuteee 2009年3月18日



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