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1.
Alternate saying for "count it bitch"
Oh shit i just hit a 3! YACKUM!
by Jimbo1990 December 04, 2010
10 2
 
2.
British slang terms meaning nonsence
"That's a load of yackum!"
by BritishSlang<3 November 26, 2011
9 4
 
3.
Throwing up. Whether after drinking too much or in the morning after taking exstacy.
Dude, you better stop drinking before you yackums!
by Kyle Fisher October 31, 2007
1 0