Not from alcohol alone. Not unless I made a conscious effort to allow myself to be effected. But other substances that have little no effect on humans can intoxicate a Gallifreyan. For all the superficial similarities, our physiologies are quite different.

[And he orders a ginger beer.]

Zingerone, shogaols, and gingerols, for example, are inebriating for us. Some things that are deadly poison to humans are nothing to Gallifreyans, while other substances that humans ingest without a second thought are fatal toxins to my kind.