flunk

As verbs the difference between flunk and bomb

is that flunk is of a student, to fail a class; to not pass while bomb is to attack using one or more bombs; to bombard.

As a noun bomb is

an explosive device used or intended as a weapon.

As an adjective bomb is

great, awesome.

As verbs the difference between flunk and disappoint

is that flunk is of a student, to fail a class; to not pass while disappoint is to displease by e.g. underperforming.

As a verb flunk is

(us|ambitransitive) of a student, to fail a class; to not pass.

As a verb flunk is

(us|ambitransitive) of a student, to fail a class; to not pass.

As verbs the difference between blunk and flunk

is that blunk is simple past of blink while flunk is of a student, to fail a class; to not pass.

As verbs the difference between clunk and flunk

is that clunk is to make such a sound while flunk is (us|ambitransitive) of a student, to fail a class; to not pass.

As a noun clunk

is a dull, metallic sound, especially one made by two bodies coming into contact.

As verbs the difference between flunk and funk

is that flunk is of a student, to fail a class; to not pass while funk is to shrink from, or avoid something because of fear.

As a noun funk is

spark.

As a noun flunky

is a sycophant; a servant or hanger-on who is kept for their loyalty or muscle rather than their intellect.

As a verb flunk is

of a student, to fail a class; to not pass.

As a verb flunk

is (us|ambitransitive) of a student, to fail a class; to not pass.

As a noun lunk is

a fool; an idiot; a lunkhead.