To headbutt someone. See also glasgow kiss. Popular in Scotland, apparently.
by Karl Steiger January 31, 2004
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To smack somebody over the head with a glass bottle.
"D'ye hear Willie's in the hospital wi' some stitches?"
"Naw, what happened?"
"He was badmouthing Tam's bird when she wallopped him one wi' her ginger bottle, a right glasgow handshake"
by Boabby the barman December 20, 2014
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