For example, "I must take control like Kevin" can be said like "I mus-tay-control-I-Kevin" in some dialects because it flows significantly more easily than if you enunciate every word.
(Portmanteau is not the answer.)
For example, "I must take control like Kevin" can be said like "I mus-tay-control-I-Kevin" in some dialects because it flows significantly more easily than if you enunciate every word.
(Portmanteau is not the answer.)
This is known as connected speech or fast speech processes and involves a series of phenomena including allophonic variation, reduced syllables, elision, assimilation, and coalescence amongst others. These rules are all part of normal speech processes.
Cluttering (Wikipedia) is a speech and communication disorder characterized by a rapid rate of speech, erratic rhythm, and poor syntax or grammar, making speech difficult to understand.
Glib (Merriam-webster Dictionary) marked by ease and fluency in speaking or writing often to the point of being insincere or deceitful
Glibbery (Merriam-webster Dictionary)(now chiefly dialectal) : smooth, slippery: (now chiefly dialectal) : not trustworthy : unreliable
Alternatively you can use the simple terms such as "rapid talker", "superfast speech", "superfluent" etc.