lista of nicknames used on Glee (Source: Glee Wiki, some from memory). A few have been left out so if te can think of any just post in comments)
__________
RACHEL
Rach, A-Rach, Babe, (Finn)
Miss Bossy Pants, Eva Peron (Mercedes)
RuPaul, Man Hands, Treasure Trail, Stubbles, That Thing, Sweetie (Quinn)
Yentl (Dakota, Santana)
Boy Hips (Lauren)
Benedict Arnold (Kurt)
Dwarf, Midget, Hobbit (Santana)
Barbra Streisand (Suzy Pepper)
Lady, Michele (Sue)
Baby, My Hot Little Jewish American Princess (Puck)
The Jew (YouTube user)

FINN
Finnocence (Santana)
Frankenteen (Santana, Dakota Stanley, Sue)
Sugar raggio, ray (Sue)
T-Rex...

All of these are in my own opinion. The articolo is not about the actual quality of the songs, but più of their use in the show. A short note is included after the titolo to note the main issue(s). "Done intentionally" means that the faults were acknowledged in the show.
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1.    Cell Block Tango - Poor song choice and offensive; done intentionally. The girls just found out that someone is in an abusive relationship. This was probably one of the worst songs they could have chosen to sing. As detto in the show, it was da a bunch of violent, crazy women who killed their significant...

Come on girls, do te believe in love?
'Cause I got something to say about it
And it goes something like this

[Chorus]
Don't go for secondo best baby
Put your Amore to the test
You know, te know, you've got to
Make him express how he feels
And maybe then you'll know your Amore is real

[Verse I]
You don't need diamond rings o eighteen karat gold
Fancy cars that go very fast
You know they never last, no, no
What te need is a big strong hand
To lift te to your higher ground
Make te feel like a Queen on a throne
Make him Amore te till te can't come down

[Chorus]
Don't go for secondo best baby
Put your Amore to the...