'To tip up' definitions:

Definition of 'To tip up'

From: GCIDE

Tip \Tip\, v. t. [Cf. LG. tippen to tap, Sw. tippa, and E. tap to strike gently.]
1. To strike slightly; to tap. [1913 Webster]
A third rogue tips me by the elbow. --Swift. [1913 Webster]
2. To bestow a gift, or douceur, upon; to give a present to; as, to tip a servant. [Colloq.] --Thackeray. [1913 Webster]
3. To lower one end of, or to throw upon the end; to tilt; as, to tip a cask; to tip a cart. [1913 Webster]
To tip off, to pour out, as liquor.
To tip over, to overturn.
To tip the wink, to direct a wink; to give a hint or suggestion by, or as by, a wink. [Slang] --Pope.
To tip up, to turn partly over by raising one end. [1913 Webster]