Definition of Glad hand

Babylon English Dictionary
warm hearty welcome; warm welcome but in many cases insincere; warm handshake that may be insincere
give a person a warm handshake that may be insincere; welcome warmly
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Glad hand Definition from Language, Idioms & Slang Dictionaries & Glossaries
ENGLISH IDIOMS 2.EDITION
a friendly handshake, a warm greeting The politician spent the morning glad handing the people at the shopping center.
Australian Slang
(usually ironic) effusive welcome, often public: “to give someone the glad hand”
WordNet 2.0

Noun
1. a warm welcome; may be insincere
(hypernym) welcome
Glad hand Definition from Business & Finance Dictionaries & Glossaries
Railroad-Related Terms
The metal attachments to which train line air hoses connect