machine head
1. One of several flattened pegs found at the top end of a stringed instrument, which when manually turned with the hand, adjusts the pitch of the corresponding string :: TUNING PEG 2. (Warner Bros, 1972) Title of an album by heavy metal pioneering band Deep Purple, featuring the band's all-time biggest hit "Smoke On The Water" 3. (1992 - ) Heavy metal band from San Francisco, very influential on harsher, more aggressive-sounding metal bands that would arise later in the decade. See www.machinehead1.com for more information
The Urban Dictionary Mug

Perfect coffee cup for a hockey fan. Great conversation starter.
Perfect gift! My husband loved it. So funny and clever!
Great mug… got one for my girlfriend… instant sex
As always, these are well made mugs that stand up to most anything. And they make perfect gifts (in this case for dirty-minded members of a wedding party). I’m extremely pleased.
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