According to Kellin Quinn from Sleeping With Sirens, "Someone who is tweaking on meth, or seems to be tweaking on meth, or just looks any sorts of sketchy."
THAT DUDE'S MERFIN.
by itsjustangel September 09, 2012

someone who is tweaking on meth, or seems to be tweaking on meth, or just looks any sorts of sketchy
There is this guy sitting behind a bush at that park watching people; that dude's merfin.
Kellin Quinn advocates merfin awareness because no one likes a merf.
Kellin Quinn advocates merfin awareness because no one likes a merf.
by WoahMyNo September 07, 2012

someone who is tweaking on meth, or seems to be tweaking on meth, or just looks any sorts of sketchy
#thatdudesmerfin
by jackbaraqueer September 07, 2012
