'To put one's legs under some one's mahogany' definitions:

Definition of 'To put one's legs under some one's mahogany'

From: GCIDE

Mahogany \Ma*hog"a*ny\, Mahogany tree \Ma*hog"a*ny tree`\, n. [From the South American name.]
1. (Bot.) A large tree of the genus Swietenia ({Swietenia Mahogoni}), found in tropical America. [1913 Webster]
Note: Several other trees, with wood more or less like mahogany, are called by this name; as, African mahogany (Khaya Senegalensis), Australian mahogany (Eucalyptus marginatus), Bastard mahogany ({Batonia apetala} of the West Indies), Indian mahogany ({Cedrela Toona} of Bengal, and trees of the genera Soymida and Chukrassia), Madeira mahogany (Persea Indica), Mountain mahogany, the black or cherry birch ({Betula lenta}), also the several species of Cercocarpus of California and the Rocky Mountains. [1913 Webster]
2. The wood of the Swietenia Mahogoni. It is of a reddish brown color, beautifully veined, very hard, and susceptible of a fine polish. It is used in the manufacture of furniture. [1913 Webster]
3. A table made of mahogany wood. [Colloq.] [1913 Webster]
To be under the mahogany, to be so drunk as to have fallen under the table. [Eng.]
To put one's legs under some one's mahogany, to dine with him. [Slang] [1913 Webster]