Bumper vs Mumper - What's the difference?

As nouns the difference between bumper and mumper

is that bumper is (obsolete) a drinking vessel filled to the brim while mumper is (british|or|obsolete) a beggar.

is (colloquial) large; filled to the bumpers at the top of a silo.

(en noun)

(obsolete) A drinking vessel filled to the brim.

* 1749 , Henry Fielding, Tom Jones , Folio Society 1973, p. 443:

they now shook hands heartily, and drank bumpers of strong beer to healths which we think proper to bury in oblivion.

* 1818 , Keats, :

*:Yet can I gulp a bumper to thy name,—

*:O smile among the shades, for this is fame!

* 1859 , Dickens, A tale of two cities ,

Sydney Carton drank the punch at a great rate; drank it by bumpers , looking at his friend.

(colloquial) Anything large or successful (now usually attributively).

(automotive) Parts at the front and back of a vehicle which are meant to absorb the impact of a collision; fender

Any mechanical device used to absorb an impact, soften a collision, or protect against impact

* The company sells screw-on rubber bumpers and feet.

Someone or something that bumps.

(cricket) A bouncer.

(billiards) A side wall of a pool table.

(broadcasting) A short ditty or jingle used to separate a show from the advertisements.

(slang, dated) A covered house at a theatre, etc., in honour of some favourite performer.

(-)

(colloquial) Large; filled to the bumpers at the top of a silo.

We harvested a bumper crop of arugula and parsnips this year.

(en noun)

(British, or, obsolete) A beggar.